Animals have been used for the testing of medicines‚ cosmetics‚ and medical procedures for many years. The use of animals for research is cruel and inhumane. There is much evidence showing how the difference of the genetic makeup between humans and animals can cause a conflict of these test results. Animal testing shouldn’t be allowed because millions of animals suffer and die as a result of testing‚ animal tests can be dangerous to the human health‚ and there are much more effective ways to experiment
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MACROMOLECULES OF LIFE DEFINITIONS INORGANIC CHEMISTRY A branch of chemistry which studies the structures‚ synthesis and reactions of compounds other than HYPERLINK http//searchbox.hyperdictionary.com/dictionary/hydrocarbons t _blank hydrocarbons and their derivatives ORGANIC CHEMISTRY A branch of chemistry that deals specifically with the structures‚ synthesis and reactions of carbon-containing compounds. CHEMICAL BONDS When two or more atoms are bonded together to form new and more complex aggregates
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The Only Language Widely Used Language plays a significant role in defining who we are. It is a method of communication in a structured and conventional way. “Language reinforces feelings of social superiority or inferiority; it creates insiders and outsiders” (p. 242) states Robert MacNeil (2012) in his article “English Belongs to Everybody”. Robert MacNeil‚ a writer of many great historical articles‚ was once‚ a journalist and news anchor. In his article‚ “English Belongs to Everybody”‚ MacNeil
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Metabolism is the set of chemical reactions that happen in the cells of living organisms to sustain life. These processes allow organisms to grow and reproduce‚ maintain their structures‚ and respond to their environments. I never thought that people blame their weight on slow metabolism‚ but this article have changed my opinion on why someone can blame on metabolism I learned that metabolism is linked to weight. Metabolism is the process by which your body changes what you eat and drink into energy
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In 1966‚ the Animal Welfare Act was passed which “...regulated the sale‚ transportation‚ and handling of many animals used in research…” (Driscoll and Finley 3)‚ but the act does not cover rats‚ mice‚ fish ‚ and birds which make up around ninety-five percent of tested animals (“Should Animals Be Used” 3). Government approved acts are proposed and confirmed to ensure the safety of animals‚ but organizations soon find their way around them. Additionally‚ in the United States‚ all pharmaceuticals‚ preservatives
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AS Biology - Unit 1 ------------------------------------------------- Metabolism Metabolism is a term to describe all reaction which is taking place within a cell and is separated into two types which are * anabolic = compounds being built up * catabolic = compounds being broken down ------------------------------------------------- Water The water molecule is a molecule which is made up from 2 hydrogen atoms and 1 oxygen atom. It is bounded by 2 covalent bonds and has is polar.
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to identify the presence of macromolecules by using various positive and negative controls. The principle building blocks of living organisms are essentially constructed by carbon-containing molecules in cells. (Alberts‚ 2009) The macromolecules including lipids‚ carbohydrates‚ proteins‚ and nucleic acids contribute to the most distinctive properties on living organisms. Macromolecules are known as polymers which are constructed by small organic subunits of monomers. Biological molecules get categorized
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Animals have long played an important role as research animals in the field of Science by human kind since Ancient Greeks‚ when Aristotle used animals as a dissection. Animals are used in research and experiments by scientists to advance human knowledge and find cures to diseases such as asthma. In my opinion‚ animals are needed for scientists to conduct researches and experiments. Firstly‚ animal models are used to test drugs. This is because it will lower the risk of effects on humans when the
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Digestion a. The mouth: salivary alpha enzyme chew food‚ perceive taste‚ moisten food with saliva‚ lubricate food with mucus‚ release starch –digesting (amylase) enzymes‚ initiate swallowing reflex - Enzyme: alpha amylase with cooked starch as substrate – starch digestion enzyme an enzyme that catalyses the breakdown of starch into sugar - The Functions of Saliva - 1. Moistens and lubricates food‚ permitting swallowing 2. Holds taste producing substances in solution and bring them in
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Structure and function of macromolecules within a living organism ‘Some biological molecules in organisms are small and simple containing only one or a few functional groups‚ others are large‚ complex assemblies called macromolecules’ [1]. The term macromolecule is convenient because the bulk properties of a macromolecule differ from those of smaller molecules. These large chemical compounds have a high molecular weight consisting of a number of structural units linked together by covalent
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