Chemistry Notes

Everything is made of particles. Particles in solid are not free to move around. Liquids and gases can. As particles move they collide with each other and bounce off in all directions. This is called random motion. In 2 substances, when mixed, particles bounce off in all directions when they collide. This mixing process is called diffusion. It's also the movement of particles without a force. The smallest particle that cannot be broken down by chemical means is called an atom. ;In some substances, particles are Just single atoms.For example the gas argon, mound in air, is made up of single argon atoms. ;In many substances, particles consist of 2 atoms Joined together. These are called molecules. ;In other substances, particles consist of atoms or groups of atoms that carry a charge. These particles are called ions. Solids liquids and gases Solid Properties: Definite shape and volume ; Normally hard and rigid Large force required to change shape High Density ; Incompressible Model: ; Closely packed ; Occupy minimum space Regular pattern ; Vibrate in fixed position Not free to move Liquid Properties: ; Definite volume but no shape.Not compressible Occur in clusters with molecules slightly fury Free to move about within a confined vessel WPAD W. Transmigrate crossover Demand: Pu. Researcher's www. PDFWatermarkRemover. Com to remove the watermark Gas Properties: No Fixed volume and no fixed shape ; Low density ; Compressible Very far apart ; Travel at high speed ; Independent and random motions Negligible forces of attraction between them Diffusion in Gases Gases diffuse in different rates. Those rates depend on their factors: 1. Mass of the particles The lower the mass of its particles the faster a gas will diffuse. Why?Because the lighter the molecules†¦ He faster it will travel (obviously†¦ ) 2. The temperature The higher the temperature, the faster a gas will diffuse. Why? Because particles gain energy as they are heated Mixtures, Solutions, and Solve nts Mixture: Contains more the one substance. They are Just mixed together and not chemically combined. Example: Sand and water. Solution: It is when a solute and a solvent mix. The solute dissolves in the solvent making a solution. Example: sugar (solute) dissolves in water (solvent) making a solution of sugar and water. The solubility of every substance is different.To help a solute dissolve you could: ; Stir it Rise the temperature If you add excess amount of sugar in a small amount of water†¦ It won't dissolve as there is no space for it. The solution becomes saturated. Solvent: A substance that allows solutes to dissolve in Example: Water, Ethanol Pure substances and impurities A pure substance is a substance that has no particles of any other substance mixed with it. An unwanted substance, mixed with a wanted substance, is called an impurity. To check if a substance is pure, you have to check its melting and boiling points.A pure substance has a definite, sharp, melting p oint. When a substance is impure, the letting point falls and its boiling point rises. So the more impurity present, the wider and bigger the change in melting and boiling point. Separation methods: Filter – -? Solid from liquid Centrifuge -? Solid from liquid Evaporation -? Solid from its solution Crystallization Solid from its solution Distillation -? Solvent from a solution Fractional distillation Liquid from each other Chromatography solution Separation methods – Different substances from a 1.Filtering Example: A mixture of chalk and water†¦ 1. A filter paper is placed in a funnel, the funnel placed on a flask. 2. The mixture is poured on the filter paper. The chalk (the residue) will remain in the filter paper and the water (the filtrate) will fall down in the flask. 2. Centrifuging This method is used to separate small amounts of solid and liquid. Inside a centrifuge (it's a machine), test tubes are spun very fast so the solid gets flung to the bottom. 3. Ev aporation This method is used to separate a solution in which the solid is dissolved in the liquid. . The solution is heated so that the liquid evaporates and the solid remains in the bottom of the evaporating dish. 4. Crystallization This method is similar to evaporation but here the solid forms crystals then the rascals are left to dry. Separating a mixture of two solids 1. This can be done by dissolving one in an appropriate solvent. 2. Then filtering one and extracting the other from the solution by evaporation. 5. Simple distillation 1. The impure liquid is heated. 2. It boils, and steam rises into the condenser. 3. The impurities are left behind. . The condenser is cold so the steam condenses to the pure liquid and it drops out on the beaker. 6. Fractional distillation . The mixture is heated. The wanted substance boils and evaporates 2. (some of the unwanted liquid will evaporate too) and rises up the column. 3. The substance will condense on the beads in the column causing t hem to heat. 4. When the beads reach a certain temperature when the wanted liquid wont condense anymore (That's the boiling point) it will rise while the unwanted liquid will condense and drop.The wanted liquid will make its way through the condenser where it will condense and drop down in the beaker. 7. Chromatography This method is used to separate a mixture of substances. For example you can use it to find how many colored substances there are in black ink. Steps: 1. Drop the black ink on to the center off filter paper and allow it to dry. 2. Drop water on to the ink spot, one drop at a time. 3. Suppose there are three rings: yellow, red and blue. This shows the ink contains 3 colored substances. The substances travel across the paper at different rates.That's why they separate into rings. The filter paper showing the separate substances is called a chromatogram. This method works because different substances travel at different speeds because they have different levels of attrac tion to it. Uses of chromatography: Separate mixtures of substances ; Purify a substance by separating the impurities from it ; Unit 2: The Atom Identify a substance Atoms are the smallest particles. Each atom consists of a nucleus and a cloud of particles called electrons that whiz around the nucleus. An element is a substance that contains only one kind of atom.The periodic table is the â€Å"map/address book† for elements where each element is given a symbol (E. G. K for potassium). The group of elements that have similar properties are put in a numbered column. For example, if you know how one element in group 1 behaves, you can easily guess how the others in the same group will behave. The rows are called periods. The gig-gag line separates metals from non-metals, with the non-metals on the right. So most elements are metals. A compound contains atoms of different elements Joined together where the atoms are chemically combined.For example carbon dioxide is a compound of carbon and oxygen (1 carbon and 2 oxygen molecules). The symbol for compound is made from the symbols of the elements in it. So the formula for carbon dioxide is CO. Isotopes and Radioactivity You can identify an atom by the number of protons in it. For example, only sodium atoms have 11 protons. Isotopes are atoms of the same element, with different numbers of neutrons. Some isotopes are radioactive. That means its nucleus is unstable, sooner or later the toms breaks down or decays, giving out radiation in the form of rays and tiny particles, as well as large amount of energy.Like carbon-14, a number of other elements have radioisotopes that occur naturally and eventually decays. But the other two isotopes of carbon (like most natural isotopes) are non-radioactive. You can know when radioisotopes decay by looking at there half life. Radiation affects humans as it may causes them radiation sickness but radiation also has some uses. Uses of radiation: 1. Check for leaks in pipes (in dustry) This is done by adding a radioisotope to the oil or gas. At a leak, the radiation is detected using an instrument. Radioisotopes used in this way are called tracers. 2. N cancer treatment (Medical) Radioisotopes can cause cancer but yet also can cure it. Using radiotherapy the radioisotope will decay and give out rays that can kill cancer cells. These rays will be aimed exactly at the cancer cells. 3. To find the age of old remains A tiny percentage of a living thing contains carbon-14 atoms. When living thing dies it no longer takes in new carbon atoms. But existing carbon-14 atom decay over time – we can measure the faint radiation from them. How electrons are arranged The electrons in an atom circle fast around the nucleus, at different levels from it.These energy levels are caller electron shells. The further the shell is from the nucleus, the higher the energy level. Each shell can hold a limited number of electrons. First shell can hold up to 2 electrons Second shell can hold up to 8 electrons The third shell can also hold up to 8 electrons Electronic configuration means the arrangement of electrons in an atom. Argon has the electronic configuration : 2,8,8 Magnesium has the electronic configuration : 2,8,2 Important points: ; The shells fill in order, from lowest energy level to highest energy levelAll the elements in a group have the same number of electrons in their outer shells. These are called Valence electrons. ; The group number is the same number of outer shell electrons ; The period number shows how many shells there are. ; If an element posses a full outer shell, the element become enervative Unit 3: Atoms combining Most elements form compounds because they want a full outer shell and to achieve that they must react with other atoms. For example, sodium has Just one electron in its outer shell.It can obtain a full outer shell by losing this electron to anther atoms and by that it becomes a sodium ion. Now because sodium lost a e lectron†¦ It now has 10 electrons but 11 protons†¦ So it has a 1 positive charge. An ion is a charged particle. It is charged because it has an unequal number of protons and electrons. The ionic bond Sodium and chlorine react together; sodium gives its electron to chlorine. Now both elements have a full outer shell, but with a charge. Now they are ions. Sodium now has 10 electrons but 11 protons so it has a positive charge.Chlorine now has 18 electrons but 17 protons so it has a negative charge. The two ions have opposite charges, so they attract each other. The force of attraction between them is strong. It is called an ionic bond. When sodium reacts with chlorine, billions and billions of sodium and chlorine ions form and they attract each other. But the ions don't stay in pairs. They cluster together so that each ion is surrounded by 6 ions of opposite charges. The pattern grows until a giant structure of ions is formed. The overall charge of the structure is O since 1 positive charge and 1 negative charge neutralize each other.The ionic bonding is only between metals and non-metals. Important notes: Hydrogen and the metals form positive ions Non-metals form negative ions, and their names end in -did ; Group 4 and 5 do to usually form ions because they would have to lose or gain several electrons and that takes too much energy ; Group O elements do not form ions; they already have full outer shells ; Some of the transition metals form more than one ion. Some ions can be formed from groups of Joined atoms. These are called compound ions. Properties of ionic compound 1.Ionic compounds have high melting and boiling points. This is because ionic bonds are very strong, so it takes a lot of heat energy to break up the lattice. 2. Ionic compounds are usually soluble in water. The water molecules can attract the ions away from the lattice. The ions can then move freely, surrounded by water molecules. 3. Ionic compounds can conduct electricity when they ar e melted or dissolved. When melted the lattice breaks up and the ions are free to move. Since they are charged, this means they can conduct electricity.The solutions of ionic compounds conduct electricity too because they are also free to move. The covalent bond Giving and losing an electron is not the only way to gain full outer shells since atoms can also share electrons. Covalent bonding is for non-metals only since only non-metals need to gain electrons. A molecule is a group of atoms held together by covalent bonds. When a pair of electrons is shared, it is called a single covalent bond, or Just single bond. When 2 pairs of electrons are shared, it is called a double covalent bond, or Just double bond.When 3 pairs of electrons are shared, it is called a triple covalent bond, or Just triple Covalent compounds A covalent compound is when atoms of different elements share electrons with each other. The molecules in a covalent compound isn't flat because each electron repel each ot her and try to get as far apart from each other. Molecular substances Most molecular substances are gases or liquids at room temperature. Molecular lids are held in a lattice but the forces between the molecules are weak. All molecular solids have similar structure.The molecules are held in regular pattern in a lattice. So the solids are crystalline. When you cool down a molecular liquid or gas the molecules lose energy so they start moving slowly and at the freezing point, they form a lattice (a good example would be ice) Properties of covalent bonding 1. Covalent compounds have low melting and boiling point This is because the forces between the molecules are weak. 2. They do not conduct electricity This is because molecules are not charged, so they cannot conduct, even when melted

Save the Environment

My environmental issue is trash pollution. Trash pollution is basically when people pollute area’s where animals and human’s live with trash that they don’t dispose of properly so it end’s up in the places that we don’t want it like the ocean, and places where we generally live by. Trash pollution is occurring all over the world. Where ever people live their is almost always trash their. People are to lazy to dispose of their trash the right way so they basically throw it on the street, on beach’s etc. The issue that are facing are wildlife is that the trash is destroying their environment and polluting their ecosystem. ne example is that in Hawaii the sea turtles are dieing because they get tangled in plastic soda holders and they are also eating the trash that floats in the ocean. Polluting the ocean kills a lot of the big animals too because if the food sources for the big fish all die then of course the big fish will start to die too. The challenges were facing is finding out how to stop it because its a international problem so its hard to stop it because no one know where its coming from or who is doing it so its hard to stop it completely.Trash pollution is the worst in land because their is more trash on land then in the ocean and it does even more damage on land then it does in the ocean because its not only effecting the humans but the human’s main food sources and the land that they grow the different types of agriculture on. If we don’t have food we can’t survive and the main problem isn’t the polluting of trash, its how much trash we are actually generating because in a couple years almost all land fills will be full and their won’t be enough space for the other trash.People have proposed solutions like recycling metals, plastics, and glass. In Hawaii, some location have places to recycle your bottle’s and cans and u can even get money for recycling your materials. That’s what i don’t get, people getting paid to recycle? And yet people still are too lazy. Its the best of both worlds because if i recycle my materials then then won’t end up in our landfills and i get a few extra bucks depending on how much materials i recycle to spend on anything i want like for gas in i need.Also people have created materials to substitute the materials that take along time to biodegrade. Companies have created biodegradable bags and wrappers for the food items they see to make their company more green and help the environment out. Why not recycle? well that is the global question that still can’t entirely be answered. Trash pollution has effected the economy in many different ways. In Economics, an externality is a cost or benefit, not transmitted through prices,[1] incurred by a party who did not agree to the action causing the cost or benefit.A benefit in this case is called a positive externality or external benefit, while a cost is called a negative externality or external cost. In these cases in a competitive market, prices do not reflect the full costs or benefits of producing or consuming a product or service, producers and consumers may either not bear all of the costs or not reap all of the benefits of the economic activity, and too much or too little of the good will be produced or consumed in terms of overall costs and benefits to society.If there exist external costs such as pollution, the good will be overproduced by a competitive market, as the producer does not take into account the external costs when producing the good. If there are external benefits, such as in areas of education or public safety, too little of the good would be produced by private markets as producers and buyers do not take into account the external benefits to others. Here, overall cost and benefit to society is defined as the sum of the economic benefits and costs for all parties involved. [2] Save the Environment A speech: Save the environment  !! ————————————————- Welcome everybody, today we are going to talk about us, about our environment, and our planet. ————————————————- Look around you people, what do you see? Wake up and open your eyes widely. ————————————————- Nowadays it becomes normal to see the earth suffering from pollution. ———————————————— Trashes, factories, nuclear energy, bombes and chemicals are all destroying our planet. In fact we are the main reason of all those disasters. Human selfishness and economy importance are all causes. U nfortunately most of us don’t care about his personal environment forgetting that terrifying effects like diseases, desertification, and ozone layer’s hole, acid rain can all lead to our extinction.Those dreadful global warnings and catastrophes around the world opened our eyes to the real hazardous situation we’re going to face for the next years if this pollution completes increasing. Every day in the News we hear about a new earthquake or an erupted volcano or a tsunami or a destroyed city. It’s getting really bad, all because the nature is angry about those threats. But there is always hope and never forget late is better than never. It’s our planet our future protecting it starting by now is the only solution to survive and to solve fauna and flora’s problems.There is a million solution like saving water, stop logging, being more responsible green and sensitized, following the 3rs strategy, using biological products and of course search ing for new natural sources of energy because simply if we don’t respect the fortune given to us we will lose it as soon as possible. ————————————————- Now for sure we all imagine that pollution is a monster and it’s our duty to protect mother Earth from it but seriously isn’t it a responsibility humans owe to themselves

Just follow the instuctions below Essay Example | Topics and Well Written Essays - 750 words

Just follow the instuctions below - Essay Example However, the environmental impact, the melting of the arctic circle, the increase of greenhouse gasses in the atmosphere cannot be denied and the Vice President has helped to bring this issue to wide attention around the world. Power Steer - Michael Pollan Mr. Pollan decided to conduct some very up close and personal research regarding the care, feeding and eventual slaughter of cattle. He did this by purchasing an eight month old calf and besides his research also intended to hopefully sell him at a profit at the end. A he states, â€Å" I wanted to find out how a modern, industrial steak is produced in America these days, from insemination to slaughter.† (Pollan 1) The beginning was a bucolic environment for the steer, idling and eating in green pastures besides it mother as it weaned from milk to grasses. Then as it is introduced to commercial feed as well as the accelerated growth hormones, the calf matures quickly. Pollen gives and overview of the industry but also person alizes it by visits to #534 (his steer) at the Pokey Feedlots. These feedlots help to restrict the animal’s movements toughening the muscle. ... cientists call the planet's â€Å"primary productivity.† (Manning 37) One of the first primary concentrated sources of the energy is agriculture and the most predominant plants that have been cultivated are rice, wheat, and corn. This domestication of plants and the concentration of their energy wealth is an important concept for human survival on a grand scale, and it is based on the richness of the soil. The mineral energy in the soil is what translates into this abundant plant energy and must be conserved. AS usable land ran out, the 1960’s brought the green revolution to the land concentrating more energy in the soil by irrigation and chemical methods, tripling production of crops. Of course this all came at a greater cost in the increase use of machines and fuel to run them. He ends this article buy â€Å"voting twice† once at the polls and then voting to take his energy usage into his own hands by, â€Å"†¦which was to rack a shell and drop one cow el k, my household's annual protein supply.† (Manning 45) Ecological footprints and appropriated carrying capacity: what urban economics leaves out - William E. Rees This article explores the limit and fundamental flaw in human technology that it cannot override our natural situation as a biological entity. Rees review the flow of energy and materials throughout the natural as well as the political environments of the planet. One of the basic flaws here is that the economic environment is usually separated from the actual ecosystem surrounding it creating untenable methods of production. Conventional political models often do not take into account the invisible confections between cities and the resources that may be quite distant and in different political and biological environments. Rees advises that we rethink the

A person or event Essay Example | Topics and Well Written Essays - 500 words

A person or event - Essay Example The great depression originated from the United States. This was because of the fall in stock prices starting 1929. It eventually became worldwide news with stock market crash of October in the same year. The great depression had major and devastating effects in both poor and rich countries. It affected the people’s income, profits, tax revenue as prices dropped. As a result, the international trade plunged with more than 50% leading to serious cases of unemployment in the US and other parts of the world (Miller 683). The great depression becomes relevant in the modern America as it offers guidelines on what the country should not do. In that case, America uses the occurrence to regulate its performance in local and international markets. For instance, the great depression was caused by the over investment in the capacity of the heavy industries compared to the earnings and wages of independent farms and businesses. As a result, the American government has learnt to regulate and manage the cash flow in the economy. In that regard, it pumps money into the pockets of the consumers in order to enhance their purchasing power. The country can maintain the industrial base and re-inflate prices and the wages to ensure that all the economic bases are in check. Furthermore, the decline in output was also a cause of the great depression. In this case, the decline caused an initial decline in the output, and it prolonged the recovery due to ineffective policies that affected the labour market (Hamilton 147- 150). Based on this situation, America has been able to streamline the labour policies. Its labour policy guides the labour sector and protects production. The country has managed to address the declining capital stock, labour force and productivity that complement the use of these inputs. The great depression is indeed a great time in the American history. It influences the economic direction taken by the US. For a long time, the country has undertaken

Learning Team Segmentation, Targeting, and Positioning Paper Essay

Learning Team Segmentation, Targeting, and Positioning Paper - Essay Example Therefore, marketers are supposed to understand the needs and desires of consumers for the smooth running of the process. For a business to be successful, it has to understand consumer behavior; hence, it has to satisfy consumer needs. Marketing can be related to advertising, and in many occasion they are used interchangeably to mean the same thing. For a business organization to get customers and persuade them to buy its goods and services, is an extremely challenging task. This is because the market is an extremely competitive place, and for consumers demand to know the quality, of the product or service for which they exchange their money. Giving free samples of products to customers to try out tremendously influence their behavior towards that product. Therefore, in order to persuade more customers to buy their products, a company has to come up with a budget that includes free samples with the aim of influencing customers to buy their goods. Moreover, to include free samples in their budget is one way of avoiding losses instead of making a profit at the end. Market is influenced by various consumer characteristics, which include sex, age, gender, location and income. This is because consumers are both male and female, whose products are different. Age is also another factor that a company should consider as consumers have different purchasing desire as they belong to different scopes in society; hence a company has to put its business that in a location that attractive a group of people (Rajagopal, 2007). The theory of consumer behavior allows marketers and consumers to persuade the spending routines of consumers, changing their impressions about a product that leads to the purchase of that product. In addition, the theory creates new ideas in the consumer’s mind as well as inspiring them to buy that product. Consumer behavior is an

Choosing MBA Program Essay Example | Topics and Well Written Essays - 1000 words

Choosing MBA Program - Essay Example The most vital factor considered when choosing an MBA program is the cost of the program. In Canada, the most expensive business administration programs are offered in Rotman (Toronto), Ivey (Western), Queens, Schulich (York) and Desautels. Their prices range from $50,000 to around $100,000. Also, the cheapest business administration programs range from $5,000 to approximately $10,000. They are offered in institutions such as the University of Quebec, Royal Military College, Sherbrooke, Laval and Memorial (MBA Programs.org., 2012). The other factors considered when selecting an MBA program include the teaching quality, peer group, competition, international accreditation, reputation of the school, curriculum, and bilingualism among other factors (Hecterra Inc., 2012). All these factors are of vital importance before an individual selects his or her Masters in Business Administration program of choice. When one earns a Masters in Business Administration degree, they are able provide m anagement skills and business skills. Furthermore, the program shapes one’s vision to do international business. Most school profiles provide convenient information regarding the programs (Bragg, 2011). In Canada, these programs at accredited schools are similar to those in Anglo-Saxon countries. This is because the accreditation standards are not similar in most countries. Some states have various legal requirements for accreditation. Firstly, the learners cover a wide field of programs. Afterwards, in their second year they specialize on their curriculum of interest. Most of the business administration programs provide training which goes beyond general business management. Additionally, the programs allow the individual to earn joint degrees (Corbett, 1998). The full-time and part-time Masters in Business Administration programs are often seen as the tradition education model. This is mainly because the students cover a wide range of topics in their first year. Lucky enoug h, the part-time MBA programs are flexible because, the student can multitask. This asserts that learners are able to work while subsequently pursuing their studies since; there programs require less class time (Corbett, 1998). In this case, I have chosen to specialize in the accounting field. The Master of Accountancy is regarded as a graduate professional degree which prepares the learners for public accounting. Furthermore, this field of specialization provides the learner with 150 credit hours as required by most states before taking the Uniform Certified Public Accountant Examination. The program runs for a period of one year which contains over twelve semester credit courses. On the contrary, the accounting field is not liable for preparing the learners to undertake (Certified Public Accountant) CPA examinations. From research, after graduating, one enters into the consulting or the corporate accounting field. Alternatively, the graduates have the capability to pursue Certifie d Internal Auditor (CIA) or Certified Management Accountant (CMA) among other certificate programs. For online accredited programs, accounting allows learners to perform duties such as financial planning, information technology operations, reviewing corporate budgets among other operations. The Master of Accounting Program (MAcc) also develops the learner’

An evaluation of the suitability of the Istisna contract to financing Essay

An evaluation of the suitability of the Istisna contract to financing small enterprises - Essay Example These banks offer services based on religious teachings and laws. The banks continue to provide innovative financial products aimed at filling the existing gaps in the financial industry. These banks have used a philanthropic approach, adopted from Islamic teaching, to offer high quality services to customers. One of these approaches has been the Istisna contract. Based on the Sunnah of the prophet Muhammad (PBUH) this contract has transformed the banking industry immensely (Mahlknecht, 2009). The use of this contract may be enormously beneficial to people seeking comprehensive funding for small businesses. The contract and its use by Islamic banks The Istisna contract falls under the category of manufacturing contracts. It was created by the Islamic Financial Institution in line with the Istisna believes. The contract is strongly related to the shariah. In Arabic, the word Istisna means making a request to someone to build, construct or manufacture something for another. This contract is based on the principle meaning of the word. The contract, therefore, involves agreements for sale and purchase between two individuals. The items under discussion in the contract agreements of Istisna are non-existent. This can be termed as the greatest difference between the Istisna and other financial contracts within the industry (Warde, 2000). This has led to the identification of the Istisna as a exceptional sale agreement. Within the scope of the Istisna contract, the agreement is normally based on trust between the parties. The asset in the agreement normally has to be constructed or manufactured in a later date. The parties normally a gree on the date in which the finished product should be delivered. The process of creating an Istisna contract needs to be handled with considerable care. The Shariah law dictates that a commodity intended for sale must in the hands on the seller when the sale is being made (Mahlknecht, 2009). The seller must also posses the ownership of the product intended for sale. A product to be sold must also have been gained through acceptable means by the Islamic law. The Istisna contract, however, seems to offer a slightly different ideology. In the Istisna contract, the products being sold are normally, not in their final form. The core aspect of the contract becomes the religious values attached to the agreement. All elements of the contract are based upon trust and belief in the ability of the manufacturing party to deliver items. The quality and quantity of the product is expected to meet the agreed upon standards. In the contract, the parties agree on the specifications of the goods t o be manufactured as well as the date of completion of the manufacturing process. The cost price of the items can also be another element agreed upon by the contracting parties. All these elements are done through agreements made by the contracting parties. Within the scope of the Istisna contract, the Islamic financial institutions are requested by customers to manufacture a product. The product is manufactured by the financial institution on behalf of the customer. Upon completion of the construction, the product is then delivered to the customer for payment. Trust becomes essential as the customer may not be able to cater for the payment of the products delivered. An important note to make here is that the contract terms cannot be changed once they have been agreed upon. This becomes essential in ensuring that each party delivers its part of the bargain. Failure by either party, though, immediately makes the contract obsolete. The

Ethical appraisal of a science research proposal Essay

Ethical appraisal of a science research proposal - Essay Example Blood samples will be collected from the volunteers for lymphocyte preparation and DNA extraction purposes. By collecting blood samples from volunteers who are receiving methadone replacement therapy, this study aims to determine the role of opioid receptors (i.e. ?, ? and ? ) that contributes to the mechanism of tolerance, drug resistance, and susceptibility to the drug. This study will benefit forensic toxicologists in enabling them offer a more meaningful interpretation of a blood drug concentration found in heroin abuse cases. This study will test the following hypothesis: (1) there is phenotypic inter-individual variation in the ability of UK population to maintain tolerance to heroin; (2) that this variation is a consequence of genetic polymorphism in opioid receptors; and (3) that individuals with specific genotypes have heightened sensitivity to modifying effects of methadone replacement therapy. ... To assess the contribution of methadone replacement in the patterns of opioid receptor expression, the researcher will re-measure the key receptor levels after the 6th week of methadone replacement period. Aside from identifying volunteers with responsive receptor to methadone replacement therapy, this approach will enable the researcher minimize the potential confounding effect of habitual lifestyle on phenotypically â€Å"high† and â€Å"low† expressers. Individuals with high or low levels of receptors and those with responsive phenotype will be classified under subgroups. Eventually, lymphocytes taken from the volunteers will be transformed using Epstein Barr Virus (EBV) to produce immortalized cell lines which will be use as a model system in studying the drug gene interactions that could modulate opiate receptor levels. Identification, Discussion of Ethical Issues, and Control of Ethical Issues Respect for Human Rights Among the common ethical issues that may happe n when conducting a scientific-based research study includes matters that are related to the well-being of another person. As a common rule when conducting the actual research study, the researcher should respect the rights of another person by allowing them to make their own decision whether or not to participate in this study (Iltis, 2006, p. 126; Gregory, 2003, p. 41). In line with this, Israel and Hay (2006, p. 96) explained that harm caused by research activities is often â€Å"more likely to involve psychological distress, discomfort, social disadvantage, invasion of privacy or infringement of rights more than physical injury†. Iltis (2006, p. 139) stated that â€Å"disrespect occurs when researchers violate

Retaining Top Performing Employees Research Paper

Retaining Top Performing Employees - Research Paper Example According to Sandhiya and Kumar (1778), â€Å"There are many factors which show the importance of the employee retention. They may be the turnover cost which includes hundreds of thousands to the company's expenses. In fact, it is difficult to calculate the turnover cost which includes hiring costs, training costs and productivity loss†. Other than material investment, loss of company’s intellect and information is also another major drawback that an organization has to sustain to when an employee leaves. Sandhiya and Kumar further assert that â€Å"the relationships between the customers and clients are developed in such a way that encourages continued sponsorship and services of the business. When an employee leaves the organization suddenly, the relationships that employee built for the company are suffered and also could lead to loss of contact with potential customer†. Hence, overall business performance is affected due to lack of connecting link between cli ent and organization and also potential risks of losing business may emerge as client may have their loyalty attached to a particular employee instead of an organization. In addition to that, employee turnover has a ripple effect; it has a tendency of affecting current workforce. Withdrawal of one employee can affect motivation level of other team members and in some cases may signal anxiety in employees. Employee retention rates have their contributions to employer’s goodwill which helps in attracting new talent and becoming a preferred employer.

Modern Philosophy Essay Example for Free

Modern Philosophy Essay Herman Ebbinghaus has pointed out that psychology and philosophy are intertwined one way or the other. In order for Psychologists to study human behavior, as well as metal process, they must go step back and consider being philosophical. One must be rational and logical when studying this process and behavior, thus going back to psychology’s roots. Towards the end of the Renaissance period, Rene Descartes emerged and was tagged as the father of Modern Philosophy. As mentioned, Philosophy and Psychology work hand in hand in analyzing human behavior. Descartes’ ideas were formed when he said that he found formal education with the Jesuits was not enough to feed his thirst for knowledge and distraught on the lack of knowledge that was fed to him during his college or scholastic days. Because of this he opted to explore and find things out on his own. Descartes strong desire to get answers and fill his doubts with facts and certainties; he spent his time finding ways to unite all knowledge. Though a philosopher, he â€Å"for example, he combined his interests in optics and physiology by extracting the eye of an ox and examining the properties of the lens, thereby discovering the fact that retinal images are inverted (as cited, Vrooman, 1970). † Descartes had four rules: First, he would accept nothing as true unless it presented itself so clearly and distinctly to my mind that there was no reason to doubt it (Descartes, 1637/1960, p. 15). Second, he would take problems and analyze them, reducing them to their fundamental elements. Third, he would systematically work from the simplest of these elements to the more complex, and fourth, he would carefully review his conclusions to be certain of omitting nothing. As a rationalist, he has said that reasoning is innate in humans. The capacity to think and put logic and into, perhaps a situation or event in a person’s life is something that is natural and that people do not rely on just experience. People are given the gift to think and make decisions, and these are made and achieved because of man’s ability to rationalize and think logically. Because he was a scientist and a mathematician, he believed that one must doubt on things that has no basis and can not be explained. Cognitive Psychology deals with mental process or the mental state of a person. For instance, studying or analyzing the mental state of a child. According to Jean Piaget, a person’s mental growth had education as a key role in a child’s mental development. It is said that, it is our teachers or mentors that one develops his perception and thinking, among others. In relation to Ebbinghaus’ study of Memory and Forgetting, experiments have been made in order to analyze a person’s capability to memorize and forget. With the help of research and methodology, and Ebbinghaus’ invention of some tests for memory retention, we begin to understand how memory works and improved. What stuck me most on Watson’s manifesto is his strong point and statement that man’s behavior or contribution has been applied to different facets of life and education. Upon reading this, I realized I believed and agree to his principles and view. Psychology is about behavior and a person’s behavior is linked to how he thinks. There is an array of reasons why a person acts or behaves in a certain way. This may be contributed by life experiences, family background, culture or influences of peers. A person may act differently because of their beliefs as well and their way of living. Behavior is also an expression of one’s feelings and emotions. An art fanatic or an artist may act differently or a little bit off the edge, but to them, their behavior and ways are but normal and they are merely expressing themselves, with the way they talk, dress or even walk. Another example is a person’s cultural beliefs and practices. Because people emerged and come from different races and cultures, they act and behave differently. Cultural beliefs are formed in our minds at very young age. These were passed on to us by our parent or ancestors. And from that very young age, till the time that we grow old, those teachings will remain if not in our hearts but in our subconscious. Even though we move away from our birthplace, one way or the other, in spite the influence of the today’s generation and the ever so changing world, we still go back to our own roots and ways. References (N. A. ). DESCARTES: THE BEGINNINGS OF MODERN PHILOSOPHY AND SCIENCE (N. A.). Chapter 10: JOHN B. WATSONAND THE FOUNDING OF BEHAVIORISM

The Great Sphinx Of Ancient Egypt English Language Essay

The Great Sphinx Of Ancient Egypt English Language Essay Over 4, 500 years ago, an impressive creature was carved out of limestone on the Giza Plateau, Egypt. This large animal is called the Great Sphinx, complete with a lions body and a humans head. After being buried in the sand for many years, it was uncovered, and its grandiose height and width were revealed (Dunn 2, 3). The sphinx was also given many other names found in the earliest forms of Egyptian writing (Butler 3). The Great Sphinx is a stone figure surrounded by loads of history, myths and characteristics that make up its meaning. What is the Great Sphinx? The body is about 65 feet tall and 200 feet in length. The face of it is 13 feet wide and its eyes are 6 feet high (TourEgypt 3). In comparison to Ancient Greek sphinxes, who were females with wings, Egyptian sphinxes were males. There are small traces of red paint on the cheeks; evidence of its once bright color. Although the nose and beard are missing and its face is battered, the expression is able to be read. The watchful eyes and smile are easily seen (Berg 8, 10). The possible reason for the missing nose and beard is stated in Christopher Bergs article. There are several stories explaining the Sphinxs famous missing nose; one is that it fell off when Napoleons archaeologists were investigating the statue; another is that the Mameluke army used the Sphinx for target practice, and a lucky artillery shot blew it off. Neither of these tales are true. The nose was probably removed in the 8th century AD by a Sufi who considered the Sphinx a blasphemous idol, but all that can be said for certain, based on the tool marks that remain, is that it was deliberately pried off with chisels. The face is possibly that of Khafre, a pharaoh from the fourth dynasty who built one of the largest pyramids on the Giza triad. Its face could also be that of Khafres older brother or another pharaoh down the line of ancestors. Different names given to the Sphinx back in the ancient Egyptian times include Hor-em-akht (Horus in the Horizon), Bw-How (Place of Horus) and Ra-horakhty (Ra of Two Horizons). Horus was one of the oldest and most significant gods in the religion of ancient Egypt. This deity was the patron god of living Pharaohs, rulers, law, war, young men and others. Horus was often depicted as a falcon-headed man (most commonly), a falcon, a lion with the head of a falcon or a sphinx. Horus was worshipped widely throughout Egypt and there were many stories and myths told about him. The sphinx ages back to the kings of the 4th Dynasty, maybe even to an older time (Gray 10). The Sphinx Stela, an inscription on the Sphinx that dated back to 1400 BC, is the oldest evidence that is given for the date. What is the history and origin of the Sphinx? People in that time period represented their pharaohs as lions because of their physical strength. The Sphinx was developed as a result of this high view they had of their leaders (Trifter 1). Also, a lot of other Egyptian kings worshiped the Great Sphinx because they didnt know where it came from (Berg 2). It lived most of its history covered in sand. The first uncovering of the Sphinx was by Thutmose IV, as it was stated on the Sphinx Stela. The pharaoh Thutmose IV, sleeping beneath the head of the statue, was told in a dream to dig up the body of the Sphinx. In reward he was told he would be made a great king. Thutmose immediately began digging up the Great Sphinx, restoring it to its former glory. The next time it was restored was not until the 20th century (Butler p. 2, para. 4, 5). As for the origin of sphinxes in general, it is suggested that they came from the Babylonians or other races before the idea was adopted from the Egyptians. Another theory suggests the Babylonians took it from the Egyptians. The Babylonians believed of a flood from the Persian Gulf that marked the beginning of the world and was ruled by the great creatures called sphinxes. Because of the Niles annually flooding, it is believed that the Babylonians could have had a similar flood. That would raise this theory in both places, Egypt and Babylon. Besides the Great Sphinx, other statues and sculptures of different types of sphinxes were found. This leads to the theory that the Sphinx of Giza was not the first of its kind (Nichols 108). Underneath the Great Sphinx is a series of tunnels, doorways, stairs and even a circular temple. The passageways into the tunnels are outside and to the side of the Sphinx, possibly meaning the Sphinx was built after the underground construction, or perhaps even before. Also, a secret subway is thought to be snaked underground, connecting Khafres pyramid and the Sphinx. Because Khafre built the pyramid close by with chambers and passageways, the Sphinx was thought to be built similarly. These interior chambers and tunnels inside the Sphinx were searched for, but only a few passages with dead ends were found. Erosion is a popular discussed piece of information over the Sphinx. The head of the creature is disproportionate to its body. This definitely has something to do with the erosion because the Egyptians always made their sculptures and statues with as much perfection and symmetry as possible. Some parts of the body give evidence for wind erosion. Other parts look as if it was eroded by water. In addition, its body is very much so eroded, whether in natural occurrences or not. Its head on the other hand, is not. This suggests rain fall that pooled around its upper body while covered in sand. Also, a flood could have had a part in the erosion, but this is not for sure. It is also made up of different kinds of sandstone and limestone which affected the rate and kind of erosion (Orcutt 7). Whatever the reality of the results of erosion, the Sphinx has surely been altered in its form over the many years of its life. The mystery of the Great Sphinx is a debated subject as it involves why, how and for who it was built. The exact purpose for its existence is not known. It was possibly a guardian statue, or a memorial to a Pharaoh or god, or in some cases, it was even thought to be an astronomical observation device (Gray 15). In the book The Sphinx Mystery, the author, Robert Temple, talks about the purpose for the Sphinx. He believes that originally, the Sphinx was a statue of the ancient Egyptian deity called Anubis. Instead of a lion, it was shaped like a dog. Anubis was the protector of the underworld, which the author believed was right at Giza. This information would link to the location of the Sphinx, as it sits in that same area (Coppens 3). The Sphinx was also thought to be the image of a god or even goddess, representing the worshiped idol of the place and time period. Since other sphinxes of different kinds have been found, the theory is that each of them represented a god of their own p lace and time (Hastings 768). Not only this, but some believe it was guarding a tomb or tombs from evil forces. This theory is not as known and used as other ones, but still, a possibility. Some researchers have even suggested that the Sphinx originated from Africans living in Egypt and did not originate from Egyptians at all. As for the builder, the common theory is that it was Khafre, the builder of a huge pyramid close by. Other theories suggest Khafres father, brother or older kings building it. During the reign of Khafre, Egypt was a prosperous place and many things were developed including the Sphinx. This time period could easily tie in with the construction of this great creature. Also, the time of Khafres older brother (another possible builder of the Sphinx) was in similar condition. As for the construction, the Sphinx was carved right out of the limestone bedrock by many workers of the Pharaoh of that time. Considering the lack of modern tools, this project would have required many laborers and very challenging work. The leftover rock was most likely used for other projects such as temples or pyramids (Butler p. 2, para. 1, 2). The Great Sphinx was an incredible creature built long ago, during ancient Egyptian times. Sitting in the Giza Plateau, it watches over the surrounding pyramids and in some theories, acts as a guardian. Representing a pharaoh and his deities, it was worshiped as a god itself at times. The builder and the date of construction are not valid facts, but many ideas are presented. Even though this great creature lived most of its life being eroded and covered by sand, it stands proud and tall, continuing to watch over its land. Many continue to marvel at its awesome form and mysterious origins. Works Cited Butler, Allen. A History of the Great Sphinx of Giza. Associated Content Associatedcontent.com. Allen Butler, 2 Feb. 2006. Web. 2 Oct. 2010. a_history_of_the_great_sphinx_of_giza.html?cat=37>. Dunn, Jimmy. The Great Sphinx. InterCity Oz, Inc Interoz.com Web Publishers, Marketers and Designer Where the Web Leads. 1996. Web. 2 Oct. 2010. http://interoz.com/egypt/sphinx.htm. Gray, Martin. Great Sphinx. Sacred Sites: Places of Peace and Power. 1983-2009. Web. 13 Oct. 2010. http://www.sacredsites.com/africa/egypt/great-sphinx.html. AKNsolutions.com. The Great Sphinx. Egypt Travel, Tours, Vacations, Ancient Egypt from Tour Egypt. 1996-2010. Web. 13 Oct. 2010. . Ghaz, Mr. The Long Lived Lion: How The Great Sphinx Survived The Sands of Times | Trifter. Trifter | Travelers Sharing Hotel, Travel, Flight and Destination Tips. 28 Mar. 2010. Web. 13 Oct. 2010. . Berg, Christopher. The Sphinx. Mazes, Educational Puzzles at Amazeing Art. 2001-2004. Web. 12 Oct. 2010. . Bayuk, Andrew. Guardians Sphinx. Guardians Egypt Main Gate. 1995-2005. Web. 12 Oct. 2010. . Coppens, Phillip. The Sphinx Mystery. Philip Coppens.com. Web. 27 Oct. 2010. . Orcutt, Larry. A Chamber Beneath the Sphinx? Catchpenny Mysteries of Ancient Egypt. 2000. Web. 30 Oct. 2010. . Nichols, John. The Gentlemens Magazine. Vol. 92. 1822. 2 Nov. 2010. Hastings, James. System of Synthetic Philosophy. Encyclopedia of Religion and Ethics. Vol. 22. Edinburgh: [s.n.], 1908. Print. First Rough Draft Abbie Dennett Over 4, 500 years ago, a creature was crafted out of limestone on the Giza Plateau, Egypt. This large animal is called the Great Sphinx, complete with a lions body and a humans head (Dunn 3). After being buried in the sand for many years, it was uncovered, and its grandiose height and width were revealed (Dunn 2). The sphinx was also given many other names found in the earliest forms of Egyptian writing (Butler 3). The Great Sphinx is a stone figure surrounded by loads of history, myths and characteristics that make up its meaning. What is the Great Sphinx? The body is about 65 feet tall and 200 feet in length. The face of it is 13 feet wide and its eyes are 6 feet high (TourEgypt 3). Although the nose and beard are missing and its face is battered, the expression is able to be read. The watchful eyes and smile are easily seen (Berg 8, 10). The sphinx ages back to the 4th Dynasty, maybe even to an older time(Gray 10). Different names given to the Sphinx back in the ancient Egyptian times include Hor-em-akht (Horus in the Horizon), Bw-How (Place of Horus) and Ra-horakhty (Ra of Two Horizons). These facts are simply characteristics of the Sphinx, not yet getting into the deeper meanings. What consisted of the history during the time of the Sphinx? The people back in that time represented their pharaohs as lions because of their strength. Because of this, the sphinx was invented (Trifter 1). The Great Sphinx lived most of its history covered in sand. The first uncovering of the Sphinx was by Thutmose IV. The pharaoh Thutmose IV, sleeping beneath the head of the statue, was told in a dream to dig up the body of the Sphinx. In reward he was told he would be made a great king. Thutmose immediately began digging up the Great Sphinx, restoring it to its former glory. The next time it was restored was not until the 20th century (Butler p. 2, para. 4, 5). A lot of Egyptian kings worshiped the Great Sphinx because they didnt know where it came from (Berg 2). The construction of the Great Sphinx is obviously the base of the entire project. The purpose of the Sphinx is not known, but there are many ideas as to what that might be. Possibly a guardian statue, or a memorial to a Pharaoh or god, or in some cases, it was even thought to be an astronomical observation device (Gray 15). As for the builder, the common theory is that of Khafre, the builder of a huge pyramid close by. Other theories suggest Khafres father or older kings built it (Bayuk 4). The process used to make the Sphinx was carving. It was carved right out of the limestone bedrock, brick by brick. The leftover rock was most likely used for other projects such as temples or pyramids (Butler p. 2, para. 1, 2). The Great Sphinx was an incredible creature built long ago, during ancient Egyptian times. Sitting in the Giza Plateau, it watches over the surrounding pyramids and in some theories, acts as a guardian. Representing a pharaoh, it was worshiped as a god at times. The builder and the date of construction are not valid facts, but many ideas are presented. Even though this great creature lived most of its life being eroded and covered by sand, it stands proud and tall, continuing to watch over its land. Comments: For only being this far in your writing, the number of citations seems to be disproportionately large.Organize your writing; some paragraphs are very disjointed and discuss several different topics. In several places you start to repeat yourself. See the comments in the margin. Works Cited Butler, Allen. A History of the Great Sphinx of Giza. Associated Content Associatedcontent.com. Allen Butler, 2 Feb. 2006. Web. 2 Oct. 2010. a_history_of_the_great_sphinx_of_giza.html?cat=37>. Dunn, Jimmy. The Great Sphinx. InterCity Oz, Inc Interoz.com Web Publishers, Marketers and Designer Where the Web Leads. 1996. Web. 2 Oct. 2010. http://interoz.com/egypt/sphinx.htm. Gray, Martin. Great Sphinx. Sacred Sites: Places of Peace and Power. 1983-2009. Web. 13 Oct. 2010. http://www.sacredsites.com/africa/egypt/great-sphinx.html. AKNsolutions.com. The Great Sphinx. Egypt Travel, Tours, Vacations, Ancient Egypt from Tour Egypt. 1996-2010. Web. 13 Oct. 2010. . Ghaz, Mr. The Long Lived Lion: How The Great Sphinx Survived The Sands of Times | Trifter. Trifter | Travelers Sharing Hotel, Travel, Flight and Destination Tips. 28 Mar. 2010. Web. 13 Oct. 2010. . Berg, Christopher. The Sphinx. Mazes, Educational Puzzles at Amazeing Art. 2001-2004. Web. 12 Oct. 2010. . Bayuk, Andrew. Guardians Sphinx. Guardians Egypt Main Gate. 1995-2005. Web. 12 Oct. 2010. . Second Rough Draft Abbie Dennett Over 4, 500 years ago, a creature was carved out of limestone on the Giza Plateau, Egypt. This large animal is called the Great Sphinx, complete with a lions body and a humans head. After being buried in the sand for many years, it was uncovered, and its grandiose height and width were revealed (Dunn 2, 3). The sphinx was also given many other names found in the earliest forms of Egyptian writing (Butler 3). The Great Sphinx is a stone figure surrounded by loads of history, myths and characteristics that make up its meaning. What is your thesis statement? What is the Great Sphinx? The body is about 65 feet tall and 200 feet in length. The face of it is 13 feet wide and its eyes are 6 feet high (TourEgypt 3). There are small traces of red paint on the cheeks; evidence of its once bright color. Although the nose and beard are missing and its face is battered, the expression is able to be read. The watchful eyes and smile are easily seen (Berg 8, 10). The possible reason for the missing nose and beard is stated in Christopher Bergs article. There are several stories explaining the Sphinxs famous missing nose; one is that it fell off when Napoleons archaeologists were investigating the statue; another is that the Mameluke army used the Sphinx for target practice, and a lucky artillery shot blew it off. Neither of these tales are true. The nose was probably removed in the 8th century AD by a Sufi who considered the Sphinx a blasphemous idol, but all that can be said for certain, based on the tool marks that remain, is that it was deliberat ely pried off with chisels. The face is possibly that of Chephren, a pharaoh from the fourth dynasty who built one of the lagest pyramids on the Giza triad. Different names given to the Sphinx back in the ancient Egyptian times include Hor-em-akht (Horus in the Horizon), Bw-How (Place of Horus) and Ra-horakhty (Ra of Two Horizons). The sphinx ages back to the kings of the 4th Dynasty, maybe even to an older time(Gray 10). Sphinx Stela, an inscription on the Sphinx that dated back to 1400 BC, is the oldest evidence that is given for the date. These facts are simply characteristics of the Sphinx; not yet getting into the deeper meanings. What is the history of the Sphinx? People in those days represented their pharaohs as lions because of their physical strength. The sphinx was developed as a result of this high view they had of their leaders (Trifter 1). Also, a lot of other Egyptian kings worshiped the Great Sphinx because they didnt know where it came from (Berg 2). It lived most of its history covered in sand. The first uncovering of the Sphinx was by Thutmose IV, as it was stated on the Sphinx Stela. The pharaoh Thutmose IV, sleeping beneath the head of the statue, was told in a dream to dig up the body of the Sphinx. In reward he was told he would be made a great king. Thutmose immediately began digging up the Great Sphinx, restoring it to its former glory. The next time it was restored was not until the 20th century (Butler p. 2, para. 4, 5). The mystery of the Great Sphinx is a debated subject as it involves why, how and for whom it was built. Chambers and tunnels underneath the Sphinx were thought to exist, but this is also a mystery. Its purpose is not known. Possibly a guardian statue, or a memorial to a Pharaoh or god, or in some cases, it was even thought to be an astronomical observation device (Gray 15). In the book, The Sphinx Mystery, the author, Robert Temple, talks about the purpose for the Sphinx. He believes that originally, the Sphinx was a statue of the ancient Egyptian deity called Anubis. Instead of a lion, it was shaped like a dog. Anubis was the protector of the underworld, which the author believed was right at Gizeh, which would also make sense for the location of the Sphinx (Coppens 3). As for the builder, the common theory is that it was Khafre, the builder of a huge pyramid close by. . Other theories suggest Khafres father or older kings built it. Because of Khafres pyramid, which contains two cha mbers, the Sphinx was also thought to have an entrance or a chamber. Only three entrances were found, but they were dead ends (Orcutt). The Sphinx was carved. It was carved right out of the limestone bedrock. The leftover rock was most likely used for other projects such as temples or pyramids (Butler p. 2, para. 1, 2). The Great Sphinx was an incredible creature built long ago, during ancient Egyptian times. Sitting in the Giza Plateau, it watches over the surrounding pyramids and in some theories, acts as a guardian. Representing a pharaoh, it was worshiped as a god at times. The builder and the date of construction are not valid facts, but many ideas are presented. Even though this great creature lived most of its life being eroded and covered by sand, it stands proud and tall, continuing to watch over its land. Comments: Looks like you are still having an issue with getting to a full five pages. In your works cited, I dont see any reference to hard (library) books, nor to a National Geographic magazine. Again, suggestions to lengthen this would include comparing to other sphinxes around the world (I believe I have heard of something similar somewhere, but the location escapes me just now), and further relating it to one of the nearby pyramids. Try Googling Babylonian Sphinx for starters.

the revenge of islam :: essays research papers

HOUSTON, Texas (CNN) -- Enron security guards were stationed on the 19th and 20th floors of the company's building here Tuesday to prevent further shredding of documents, company lawyers said during a federal court hearing. Former executive Maureen Castaneda said Monday employees were shredding documents as late as January 14, in spite of the company's December bankruptcy filing that costs thousands of investors and employees their life savings. In the wake of the reports of continued shredding, Enron lawyers said the company allowed FBI agents in the building to interview employees and that guards had been posted round the clock to prevent more document destruction. Some 40 attorneys representing investors asked a judge to place federal marshals or an outside firm's security guards in the Enron building to prevent shredding. The lawyers also asked the judge to take possession of all documents relevant to the investigation into the collapse of the energy giant -- including boxes of shredded papers they said company executives ordered destroyed. It was also revealed in court that shredded documents were found in a wastebasket, which was turned over to authorities. It is not clear who conducted the search in which the papers were discovered. Packing materials become evidence MORE STORIES Shredding through history Ex-Enron exec: Shredding went on after probe began VIDEO/AUDIO †¢ Enron collapse hurts Houston charities †¢ Enron: A tale of two meetings MORE STORIES †¢ Ex-Enron exec: Shredding went on after probe began †¢ Lawyer who wrote document memo quizzed †¢ Terms set for sale of Enron's Indian plant †¢ Andersen blame game heats up EXTRA INFORMATION †¢ Guide to the fall of Enron †¢ Bush administration ties †¢ Chapter 11 timeline RESOURCES †¢ In-Depth: The end of Enron? †¢ Protect your 401(k) †¢ TIME.com: Inside the scandal †¢ In Focus: What happened? LEGAL RESOURCES Latest Legal News Law Library FindLaw Consumer Center Select a topicBankruptcyDiscriminationDivorceEstate PlanningLandlord-TenantPersonal InjuryTaxes Castaneda said she took boxes of shredded paper home with her to use as packing material. She later realized the significance of the refuse. She recalled e-mails telling employees how to handle financial documents. "One said our policy is not to destroy documents, given the threatening legal suits," she told CNN. "And that's what made me realize that I had more than just shreds." "It is an absolute smoking gun," said Castaneda's attorney, Paul Howes, referring to the shredded papers. Howes is with Milberg, Weiss, a San Diego-based firm that specializes in class action suits.

Paul Thomas Anderson :: Essays Papers

Paul Thomas Anderson Paul Thomas Anderson is one of today’s most acclaimed and essential young filmmakers. He has swept the motion picture industry with a powerhouse trio of films that have breathed life and exuberance into an industry that is all too often ladened with films exhibiting massive deficiencies of originality and thought. PTA’s genuine love of filmmaking sets him apart from so many others. PTA tends to keep himself out of the spotlight. Rarely will he pose for magazine covers or photo shoots. Details involving future projects and his personal life are often kept shrouded in secrecy. Informational pieces regarding his personal life and family history are few and far between. I’ve researched his background and unearthed a few brief factoids that are consistent amongst many sources. Included is information obtained from Cigarettes and Coffee, PTA’s unofficial website, which he often praises and contributes to. Paul Thomas Anderson was born in Studio City, CA on January 1, 1970 to Bonnie and Ernie Anderson. His father was a well-known voice actor who can be recognized for his work on America’s Funniest Home Videos and The Love Boat. He also created a character, Ghoulardi, who was a popular B Movie/ horror film host in the sixties. Unfortunately, Paul suffered a devastating blow when his father passed away in 1997 at the age of 73. Incidentally, he has since named his production company after his late father’s famous character Ghoulardi. PTA also has two brothers and four sisters. He is reputed to be estranged from his mother. Academics never appealed to Paul. Being expelled from his elementary school for fighting and bad grades and his quick departure from Emerson College after two semesters demonstrated this. He also attended New York University Film School for two days before dropping out. PTA moved on to begin his career by working as a production assistant on various television movies and game shows. After performing similar work for numerous low budget and independent films, PTA went on to write and shoot a short film titled, Cigarettes and Coffee. This 24-minute excursion into the world of film shorts made it’s premier at the 1993 Sundance Film Festival. As a result of the buzz that Cigarettes and Coffee generated, he was afforded the opportunity to develop his first full-length motion picture, Hard Eight.

HDTV: Implications for High Definition Television Essay -- Exploratory

HDTV: Implications for High Definition Television    HDTV (High Definition Television) has many positive attributes and is the television set of the future, but the primary concern is how this revolutionary standard can coexist and eventually replace the existing color TV system.   This vital problem associated with HDTV is similar to the obstacle that color TV encountered in 1954 - which was enabling the color signal to be read simultaneously with the monochrome signal, without interference. There is an estimated 600 million television sets dispersed throughout the world and about 70 percent of them are color.   (Kuhn, 2001: 1).   A significant and precarious matter is whether the modern criterion of HDTV should be attuned with existing, color TV standards, succeed the existing standards, or be concurrently transmitted with the accessible standards (with the conception that the existing standards would obliterate over time).   Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   High Definition Television is any system developing vitally enhanced picture resolution than that of the usual 525-line (625-line in Europe) television monitor.   Digital HDTV systems, by dissimilarity, broadcast pictures and sounds in the arrangement of digital data.   These numerical data are transmitted, utilizing the identical high radio frequencies that contain analog waves, and computer processors in the digital television system that then decipher the information.   Digital HDTV can transmit sharper, clearer images and sound with very diminutive interferences or other flaws.   Of more significance, digital television systems will apparently be adept to send, store, and influence pictures as well as receive them, thus combining the functions of the television set and the compute... ... 1998. http://query.nytimes.com/search/abstract?res=F00D17FE3A540C718DDDAA0894D0494D81.   Accessed on April 7, 2002.       â€Å"Maier, Susan.†Ã‚   HDTV:   Who Needs The FCC?.   HDTV Magazine. Advanced Television Publishing: Oregon, 1999.   http://web-star.com/hdtv/whondsfcc.html. Accessed on April 7, 2002.    â€Å"HDTV.†Ã‚   Internet. Yahoo.com.   Britannica Concise. http://education.yahoo.com/search/be?lb=t&p=url%3Ah/high_definition_television Accessed on April 7, 2002.    â€Å"A Proposal For Public Interest Obligations Of Digital TV Broadcasters.†Ã‚   Executive Summary.   Internet.   http://www.nntia.doc.gov/pubintadvcom/aprmtg/Sohn.htm. Accessed on April 9, 2002.    â€Å"HDTV.† Internet.   http://www.crs4.it/~luig/MPEG/hdtv.html.   Accessed on April 11, 2002.   Ã‚   â€Å"Beckman, Jeanne.† Television Violence: What Research Says About its Effect on Young

Advantage of Mobile Phone Essay

For many people, it’s ? convenient way to communicate. Many parents provide their children with ll-?h?nes for safety reasons. ll-?h?nes have some disadvantages as well. Cellular phones have impacted society. They have left an ever-lasting impression on our culture. In this paper the Advantage and Disadvantage of ll-?h?nes have been discussed. Advantages ll-?h?nes have three principal advantages. ll-?h?nes have made communication easier. In addition, ll-?h?nes provide their users with extra devices in addition to telephone. At last, ll-?h?nes can provide safety for their users. ll-?h?nes have become accepted in the last fifteen years because they have made communication easier. People can call each other no matter where they are. Fifteen years ago, there was no way to call someone who had no access to ? conventional telephone. Additionally, the technology which is provided with ll-?h?nes has made life easier. ll-?h?nes are not only telephones; they can also include calendars, cameras, alarm clocks, and other devices to make life easier. The latest ll- ?h?nes can even be used as ? pocket computer. Last but not least, many parents provide their children with ll-?h?nes for safety reasons. The speed dial up option in ll-?h?nes lets people make contact with emergency numbers by pressing one button. For many parents, ? ll-?h?ne is ? convenient way to get in touch with their children. Disadvantages The use of ll-?h?nes has been proven to be ? big distraction. There are car accidents occurring everywhere due to the lack of attentiveness of drivers. Parents now think that it’s better to buy ll-?h?nes for their new teen drivers for emergencies, but do you really think that they are used for those only? And since ll-?h?nes are so fabulous, then why do you always get ? busy, roaming signal and cause you to keep redialing ? number till you finally get through to that person? After all that trouble you are normally bothered and frustrated. Things like these can created accidents and even death. The possibility of brain tumors is also increasing with the use of cellular phones. Radiation is enormously hazardous to ll-?h?ne users. The more cell phone uses, the greater chances become for brain cancer. When ll-?h?nes first came out, people purchased them in case of emergencies. Now, people bring their ll-?h?nes everyplace they go and use them for pleasure, not essentially for purpose. As convenient as ll-?h?nes may seem, there is more to it. Conscientiousness must be taken more sincerely and people need to be more aware of the risks that are involved in purchasing and using ? cellular phone. FREE ESSAY It is for a fact that having a mobile phone now a days is a sort of a necessity and it is an inevitable truth that mobile industry is taking everyone by a storm. From the very basic thing of making a call to texting, and now internet access for just a touch of your finger tips. Do you have one of these? or do you know somebody who enjoys having such stuff? I do have one of those too and I wont deny the fact that I enjoys using them. So as one of the million subscriber of this technology I will share you some of the advantages and disadvantages I found, out of having a mobile phone. First here are some advantages of having it: It keeps you in constant contact with people you consider important It can help you seek help immediately during emergency cases Its a sense of being financially uplifted. Through mobile phones you can lessen your boredom,example listen to your favorite music and as well as watching movies through downloading. It can take photos Mobile phones also gives us easier access on the internet You can carry it anywhere It has a lot of useful function like calendar, making notes, alarm clock, timer and calculator. No doubt, our mobile phones makes our life more convenient, but as the saying goes every technology has it’s equal negative side and mobile phones are not so especial to be exempted. Here are some disadvantages of having it: Expensive People spend less time bonding with there family and friends People just contact through phone and became too lazy meeting outside Disturb us on our works and studies People spend lots and lots of money buying the latest model Affects our body because of radiation it produces Easily broken mobile phone makes it easier to invade privacy In the end, I hope you can weigh the advantages and the disadvantages I have mentioned to help you use your mobile phone in a responsible manner. We humans created mobile phones and it is all up to our control†¦

Cochlear Implant RST

It doesn't change them it just makes their smile brighter. People get haircuts to express who they are, or who they want to be, but it doesn't change who the eye actually are, it just makes them kick the way they want to. The same thing goes for a cochlea r implant. It enhances the possibilities of hearing for a deaf person, but it will never change e who they are because they will always be deaf. That's why deaf people should get cochlear I implants because they will not change their identity.In the movie Sound and Fury a young girl's parents restrain her from getting a cochlear implant in the fear that it will change her identity in the deaf world. There is al so a young boy whose parents are judged and tormented for deciding to implant him with a c cochlear implant. Both families want their children to play a role in the deaf community, but boot h families are told that with a cochlear implant, that could never happen. The parents of the you Eng girl are introduced to another youn g girl who was implanted to see if it was really right t for their daughter.The young girl was so accustomed to hearing that she didn't sign a ND she spoke clearly. It was clear that the little girl most likely wasn't aware she was even deaf. This upset the parents ND pretty much made their decision for them; they would never implant thee r child. Ironically six years later the daughter, along with her siblings and her own mother get t he implants and say how much their lives have improved. They said it made their daughters life EAI sire and they regretted not doing it when she was younger.And of course the girls role in the e deaf community did not change, but she gained a spot in the hearing world as well, which is w hat a cochlear implant really does. Now on the other side of that family, a deaf child is born and his parent s decide to implant IM, but receive a lot of hate from the deaf community. Part of the fact of so much resentment towards the device is that around the time t he film â€Å"Sound and Fury† was ma De, the cochlear implants were just being introduced and it really offended the deaf community y that someone made something to fix deafness.It made them feel as if people thought Of De apneas as a disability. They wondered why anyone would want to change themselves fro m being deaf and being part of such a wonderful community. The mother of the daughter who was the mother of the deaf child even called her own daughter â€Å"a lousy daughter†. In reality the mother wasn't implanting his son because she wanted to rebel against her parents, it was be cause she knew that although deafness is not a disability it is also not an enhancement to your life.She knew that her boy would have many more opportunities in life if he could hear, and although h that sounds like it's shaming deafness, it isn't. No matter whether you implant your child or give e him a hearing aid, it will never change them, just help them reach their potential easier. In the article Letting the deaf Be Deaf: Reconsidering the use of cochlear implants in prevailingly deaf children t expresses the difference between a hearing parent deciding whether or not to get their child implanted and a deaf parent deciding whether or not to get their child implanted.The choice is easy for a hearing parent because deciding if they WA NT the baby to hear is basically just saying let it be like us. While a deaf parent is the exact opposite. Deaf parents are the ones that have to make the decision to change their baby's life, by making them hearing, different than themselves. ‘T he cochlear implant is intended to help the deaf child ultimately learn an oral language and, in so doing, to facilitate the assimilation of the IM Lansing child into the mainstream hearing culture† (Crouch).While this statement is correct , the implant doesn't have to completely destroy deaf culture for the child. The child should still be taught sign language, and be introduc ed to people in the deaf community. If it is so import tan for the parents that their child be part of the deaf community, while still being in the hearing world, they will put in the effort. Sound and Fury; or, Much Ado about Nothing? Cochlear Implants in Historical Perspective it states â€Å"Cochlear implants are only the latest example of medical interventions promising to cure deafness† (Edwards).This statement itself is a brief summary of why the deaf community was so resentful towards the device in the first place . When hearing people say that there is a cure for deafness, it obviously upsets deaf people. T hey don't view themselves as having a disease, and they really don't have one, but as soon as someone from the hearing world challenges that opinion, all hell breaks loose. The deaf common tit could have just rejected the idea of the cochlear implants all together, but once people under stood it wasn't a cure, just additional help, they started to accept it. When d eaf people heard the e word cure, they panicked.They worried there would be no more deaf culture, and that the De oaf community would die off. Cure meant change to them, that everything in their lives would change e, which is why some people think the implants will change their identity. But that will never h append because no matter what, you will always be deaf. If you get hearing aids, once you take the me off you're no longer capable of hearing. The same thing goes for the implant. The implant it self is not capable of wiping out a culture, it is the responsibility of the parents of the deaf child n to keep the culture and the community alive.

Complementary and Alternative Medicine (Cam) Essay

Complementary and alternative medicine (CAM) includes a variety of interventions—from exercise and dietary supplements to stress management strategies, biofeedback, and acupuncture. These therapies—which come from many different disciplines and traditions—are generally considered to be outside the realm of conventional medicine. When used in combination with conventional medicine, they are referred to as â€Å"complementary;† when used instead of conventional medicine, they are referred to as â€Å"alternative.† In the United States today, approximately 75% of people with MS use one form or another of CAM, generally in combination with their prescribed MS treatments. Are CAM Therapies Safe to Use? Many people use CAM because they believe that anything sold over-the-counter at a pharmacy or health food store is healthy and harmless. However, unlike conventional medical treatments—which are thoroughly tested and carefully regulated by the U.S. Food and Drug Administration—most CAM therapies have undergone very little, if any, scientific study. So some may be completely safe while others may actually pose significant risks—for example, by producing serious side effects or interacting negatively with other medications a person is taking. Fortunately, a greater effort is now being made to find ways to evaluate the safety and effectiveness of various types of CAM. Why is Controlled Clinical Studies So Important? Carefully-designed clinical trials are the best way to determine whether a treatment is safe and effective. Here are the reasons why: * Because the course of MS is variable, and each person’s symptoms tend to come and go in an unpredictable way, the only way to determine the effectiveness of a treatment is to test it on a large number of people. * Because most people—regardless of the disease they have—will have a positive response to any new treatment they receive (even if it’s an inactive substance or placebo), the effectiveness of a new treatment can only be proven by comparing it to a placebo or to another treatment that has already been shown to be effective. * Because every treatment carries with it the risk of anticipated and unanticipated side effects, the only way to evaluate a treatment’s safety is to evaluate it in a large number of people over a sufficient period of time. Recommended Guidelines to Follow People who are considering using a CAM therapy should ask the following questions: * What does the treatment involve? * How and why is it supposed to work? * How effective is it? * What are the risks? * How much does it cost? The answers to these questions can help a person considering a CAM therapy to weigh the benefits against the risks. For those who decide to go ahead with the CAM therapy, here are some good, common sense recommendations: Keep your physician informed about everything you are taking. Not sharing this important information is like asking your physician to treat you blindfolded—and knowing everything you are taking will allow your doctor to alert you to possible side effects or drug interactions. Don’t abandon conventional therapy. The treatments your physician prescribes for you are the ones that have been evaluated in controlled clinical trials or accepted by the MS medical community as safe and effective therapies. So stay with your prescribed treatments even if you decide to add CAM to your treatment plan. Document the experience. Keep a detailed log of what you take or what is done and any changes you experience. Check out These Complementary Approaches to Physical Health and Emotional Well-Being * Food and Diet—Although various diets have been promoted to cure or control MS, no diet has been proven to modify the course of MS. MS specialists recommend that people follow the same high fiber, low fat diet that is recommended for all adults. * Exercise— Exercise offers many benefits for people with MS. In addition to improving your overall health, aerobic exercise reduces fatigue and improves bladder and bowel function, strength, and mood. Stretching exercises reduce stiffness and increase mobility. The physicial therapist can recommend an exercise plan to fit your abilities and limitations. * Stress management—The relationship between stress and the onset or worsening of MS is far from clear—and different types of stress appear to affect different people in different ways. But none of us feel our best when we’re stressed, so it’s important to find the stress management strategies that work best for you. * Acupuncture—Acupuncture is finding its way into Western medicine, with studies suggesting possible benefits for a wide range of problems. Definition of terms: 1. Alternative medicines – is any practice that is put forward as having the healing effects of medicine, but is not based on evidence gathered with the scientific method. Typically not part of conventional treatment, alternative medicine is usually based on tradition, belief in supernatural energies, pseudoscience, errors in reasoning, propaganda, or fraud. Alternative therapies lack scientific validation, and their effectiveness is either unproved or disproved. The treatments are those that are not part of the conventional, science-based healthcare system. 2. Complementary medicines – is treatment and medicine that you use in addition to your doctor’s standard care. 3. Dietary Supplements – dietary supplements are substances you eat or drink. They can be vitamins, minerals, herbs or other plants, amino acids (the individual building blocks of protein), or parts of these substances. They can be in pill, capsule, tablet, or liquid form. They supplement (add to) the diet and should not be considered a substitute for food. Importance of CAM in Clinical Pharmacy Studying CAM is important in clinical pharmacy since it is concerned with drugs. If you have a patient who does CAM system, then you can be aware of do’s and don’ts so you can perform a better patient counseling. Since CAM is not suggested, but at least you know it, then you can support your patients regarding that. Situational Analysis Talk to your doctor about risks and benefits of complementary and alternative medicine Work with your conventional medical doctor to help you make informed decisions regarding complementary and alternative treatments. Even if your doctor can’t recommend a specific practitioner, he or she can help you understand possible risks and benefits before you try a treatment. It’s especially important to involve your doctor if you’re pregnant, have medical problems or take prescription medicine. And don’t stop or change your conventional treatment — such as the dose of your prescription medications — without talking to your doctor first. Finally, be sure to keep your doctor updated on any complementary and alternative therapies you’re using, including herbal and dietary supplements.

Allan Pinkerton-The Detective

Allan Pinkerton was a known US detective that was born in Glasgow, Scotland in 1819. He is very popular in his time because he is the founder of the well known and first detective agency in the United States, the Pinkerton Agency. At the early age, his father who is a police sergeant died in a battle left the Pinkerton family in great poverty. As Allan grows up, he found a work as a copper or barrel-maker and then joining in Chartism, a group of people who believes in political and social reforms.The Pinkerton was always associated with security and protection. He had spent his life in many security concerns like private investigations, and personal security. Pinkerton career as a detective started when he emigrate from Scotland to America. The reason why he wanted to go to America is because he wants to escapes imprisonment. And in 1842, he established a copper making shop in Chicago, Illinois. Pinkerton was known to be a savior of slave or he support the anti slavery movements.He u sually uses his shop as an escape route of slave in the said state. In 1849, Pinkerton became the first ever detective in Chicago and in 1950, together with Edward Rucker they build the North-Western police Agency. The said agency was renamed as Pinkerton National Detective Agency. As mentioned in the earlier part of the essay, Pinkerton was very popular in terms of security and surveillance matters. In fact, the methods that he uses in his career as a detective is still being used today in many investigations.Some of the techniques of Pinkerton in many investigation processes are the â€Å"shadowing† and â€Å"undercover†. The former also known as surveillance of a suspect which means that the suspect is being monitored in his or her every moves every time while the latter is also known as assuming a role which means that a person is assuming or doing a role in such a way that the suspect will act normal when an investigation is being done. Undercover operations nowad ays are very popular in drug cases incidents.Example of this is when a policeman is under covering his true identity as a policeman and portraying as a buyer of a certain prohibited drug and when the suspect had transaction with the undercover policeman, then this is a very useful evidence for the investigation. The leadership of Pinkerton as a US detective had produced many successful investigations and lessening the crime rate in his time. He was able to stop many assassination attempts especially on the known government officials. He was able to determine a planed and smooth assassination on Abraham Lincoln and was able to hamper the said attempt.As many writers accounted him as a man of great power of observation and courage (Library, 2007). There were several writings that center the life, career and courage of Pinkerton as a US detective. In 1990, a movie entitled The Rose and The Jackal that was based on the life of Pinkerton was made. The movie was done in the Civil War time and its all about love, drama and spies. From the movie, an assassination attempt was done to the president of the country who is travelling using a train. In the middle of the commute, the train will pass to a wooden bridge.The plan of the assassination is to plant a bomb at the bottom of the wooden bridge and eventually an accident will cause the death of the president (Kelly, 2008). Pinkerton was able to intercept the assassination attempt of the Confederate by stopping the derailing of the train where the president is and killing the two suspects and warned the president, who is Lincoln that there is a plan to kill him. He was able to stop the attempt. This links to the true story on the attempt to assassinate Lincoln which was able to intercept by Pinkerton (Karesony, 2006).After this event, Pinkerton was appointed as by Lincoln as the head of the US Secret Service. The said agency is responsible of intercepting many espionage acts during the Civil War. This prevents the War B etween the States of America (Kelly, 2008). The main story of the movie is about Pinkerton who was assigned to be a spy against the Confederate. As a secret agent of the country, Pinkerton was able to establish a persona in which the said secret agent had successfully portrayed a simple man in a society so that the Confederate will not suspect him as a spy.This method can also be seen on the England-secret agent James Bond who does many espionage act to infiltrate or gather some important information from their enemy. Pinkerton uses this method in order for him to know the plans of the Confederate and that he can able to maneuver any possible action that will lead to the fall of his superior who is the president (Karesony, 2006). In the movie, Pinkerton met a beautiful lady who is also a spy but in the Confederate side and Pinkerton eventually fall in love to her.The story turns on the two main characters, Pinkerton and Rose. Pinkerton faces to challenge, to play the role as a secre t agent for Lincoln and his love affair to Rose. Rose eventually attacks the weakness of Pinkerton to be a tool in executing her plan to infiltrate the government of Lincoln (Karesony, 2006). Though this is one of the most popular investigations that were done by Pinkerton in his life, there are also some small profile cases that he was able to solve. Many money and properties from robbery acts were recovered and thieves were successfully traced.Some of the successful robbery cases the robbery of the Carbondale, Pennsylvania Bank of $40,000, and that of The Adams Express Company of $700,000, on 6 January, 1866, from a train on The New York, New Haven, and Hartford Railroad, and the taking of $300,000 from an express-car on the Hudson River railroad. He also broke up gangs of thieves at Seymour, Indiana, and the â€Å"Mollie Maguires† in Pennsylvania. Due to his eagerness and courage, Pinkerton was able to shape the security and investigation process in his time even though hi gh technology gadgets were not available in his time.Even today, the techniques of Pinkerton are being used to solve many cases and help in the success of investigations like police investigations. The Central Intelligence Agency and the Federal Bureau of Investigation of United States owe many investigation processes that were originated by Pinkerton. He was able to create a tool that can be utilized in solving unsolved crimes and eventually preventing the further occurrence of transgression and organized crimes. References:Karesony. (2006). The Rose and the Jackal [Electronic Version]. Retrieved February 11, 2008, from http://www. imdb. com/title/tt0098831/ Kelly, M. (2008). A Brief History of the Pinkertons [Electronic Version]. Retrieved February 11, 2008, from http://americanhistory. about. com/od/19thcentur1/a/allan_pinkerton. htm Library, C. (2007). Roots of a Detective [Electronic Version]. Retrieved February 11, 2008, from http://www. crimelibrary. com/gangsters2/pinkerton/

Mammalian cell Essay Example | Topics and Well Written Essays - 250 words

Mammalian cell - Essay Example hirae V1 is central to increasing binding affinity of the chimeric V1 for phosphate, resulting in reduction of the ADP inhibition. These findings together with a comparison of the crystal structures of T. thermophilus V1 with E. hirae V1 strongly suggest that the A subunit adopts a conformation in T. thermophilus V1 different from that in E. hirae V1. This key difference results in ADP inhibition of T. thermophilus V1 by abolishing the binding affinity for phosphate during ATP hydrolysis (Hu, Wei-Shou, Zeng, & Berger 13). The preparation of Chimeric was constructed by an overlap of PCR-based method. The second procedure, on the other hand involved the introduction of cysteine residues into the D subunit contained in the V1 (Hu, Wei-Shou, Zeng, & Berger 13). Lastly, the last portion of the experiment involved the introduction of protein concentrations of the already purified V1constructs which were established from the UV absorbance which was calibrated by the quantitative amino acid examination (Mather,

Read Hamlet Assignment Example | Topics and Well Written Essays - 500 words

Read Hamlet - Assignment Example His actions upon seeing Ophelia right after the ghost story tells that he is leaving her as described by Ophelia His actions show him giving bidding Ophelia farewell. His succeeding actions show indifference perhaps to hide his emotions of to help Ophelia get over him. He does not mention her in his soliloquy directly for he was talking in general terms. He does mention love and heartaches but such can refer to any other person. He was talking in generalities. He never did mention him after the funeral because he had other concerns more important than lamenting on loves lost. At the funeral he spoke these words: He merely acts as he is in order that his ways will not be questioned nor will it be banned or forbidden. By doing this he is within the castle walls and is able to observe the King. As they say, â€Å"it is good to keep your friends close but even better to keep your enemies closer.†When he was already making comments or observations the King was quick to make provisions to send him to England. Hamlet had a plan but he and the audience did not expect that it will end as such. Hamlet could not express a well laid plan to the audience for he was acting as a mad man. It is a technique in writing that keeps the audience in suspense as to what are the details of his real plan is or its execution? Even now as we read it, decades after it was written we are still left thinking and speculating. I believe he was not insane as evidenced by the fact that at his death he wanted Horacio to tell his cause and that he did right. He was right. The first is because these men are below him in rank. This being the case, they are no concern of his. As they say, Royalty and Servants do not mix.† But this is inconsistent with how he treats Rosencrantz and Guildenstern at the earlier part of the play. He calls them, Another probable reason is that Hamlet was already so engrossed in his present

Emerging Viruses Essay Example | Topics and Well Written Essays - 500 words

Emerging Viruses - Essay Example Obviously, it is adaptation which ensures continuity of its kind. While the constituencies of human living cells have not evolved, men have learned how to boost their immune system. This is to maintain good health, and to avoid the dangers of pathogens, without necessarily altering normal physiology. Fortunately, increasing the body's resistance to dreadful diseases has become ordinary because of the intensified information technology as well as the new findings and concoctions in the field of pharmacy. Some may have precautionary vaccines to develop antibodies, and others may have resorted to proper medication when ill with identified pathogens (Engelkirk and Burton, 2007). Unfortunately, these created barriers to the normal multiplication of pathogens, and are the most likely switch factors to the evolution of either the DNA or the RNA, whichever is present in an animal virus that infect cells. Normally, animal viruses complete their customary multiplication cycle in six (6) stages (Engelkirk and Burton, 2007). Initially, viruses attach on recognized receptors, usually proteins or polysaccharides, on surfaces of their specific living host cells ("Transmission of Influenza A Viruses and People-Information from CDC" 81).