into a coherent‚ well-written essay. Synthesis refers to combining the sources and your position to form a cohesive‚ supported argument and accurately citing sources. Your argument should be central; the sources should support this argument. Avoid merely summarizing sources. Remember to attribute both direct and indirect citations. Introduction The practice of experimenting on animals has always been controversial. In pursuit of scientific knowledge‚ animal testing is essential‚ but as the word
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Digestion define as a process where foods been breaking down by enzymatic action in the Gastrointestinal tract (GI tract) into nutrients in preparation for absorption. GI tract is the flexible muscular tube from mouth to anus. The digestion of carbohydrates begin in the mouth‚ where an enzyme‚ salivary amylase (α-amylase;ptyalin) starts to breaking the polysaccharides (starch) into short polysaccharides (dextrin). Dextrin is a partial degradation of starch‚ shorter chains of maltose units. Salivary
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many more other animals are being used for animal testing. These animals are forced to be in labs and are locked up in cages until they die of the drugs that are inserted inside their bodies. Once the researchers say the drugs are safe humans are taking a risk to be severely ill‚ hospitalize‚ or even die. Animal testing for medicine is harmful to both humans and animals because the side effects that occur in the animals are different for humans and the drugs that work on animals fail for humans.
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We should all provide food for the poor. So many families die every day of starvation while we waste our food. Everyone needs food‚ otherwise how are we meant to survive? If we don’t have food to keep us moving and staying healthy it’s not possible to work and make a living for ourselves and our families. Everyone should have the right to live a healthy life especially when there are tonnes of food being wasted every year. Thousands of people are dying because of hunger. People become less productive
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We have four important macromolecules; carbohydrates‚ lipids‚ proteins‚ and nucleic acids. From these four‚ the macromolecule I chose for this assignment was carbohydrate. Carbohydrates branch off into three main categories; monosaccharides‚ disaccharides‚ and polysaccharides. I decided to focus on disaccharides‚ specifically sucrose. Sucrose is more commonly known as table sugar. It has a chemical formula of C12H22O11. It is physically described as a white‚ odorless (although when heated‚ it may
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Should Animals be used in Laboratory Research? Every year millions of animals are used as human food‚ in human sports for fun‚ to make clothing and to make test cosmetics‚ drugs‚ new-found treatments‚ and chemicals on humans. Among all these‚ the most contentious issue in the twenty-first century is the usage of animals in laboratories. Science is the most powerful field from which all new knowledge comes‚ and being the prime source of new technologies‚ more judgment‚ and science‚ the United
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Heriot Watt University/ Findhorn Foundation College Q. Discuss the mechanisms for developing a circular metabolism in an urban environment and how these feed into the development of a sustainable community. INTRODUCTION The majority of cities today display a linear metabolism: a one way flow with resources and food coming in and waste products being pumped out. Food is brought into cities‚ eaten and then sewage is discharged into rivers‚ coastal waters or is burned
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TESTING FOR MACROMOLECULES Describe the positive test for starch. Explain how you know. The positive test for starch is adding iodine solution. In the experiment‚ the starch solution had the most dramatic reaction with the iodine solution. It turned to an opaque bluish-purple solution while other samples all turned to a colour related to orange and yellow other than the vegetable oil. But the vegetable oil was more translucent than completely opaque. Describe the positive test for
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Identifying Biological Macromolecules in Food Lab Stefanie Bogaert Observations Part 1: Test for Proteins Biuret Test for Protein Test Tube Contents Colour Change Conclusions 1 Distilled water Clear to Blue tint There are no proteins present because there was no significant colour change 2 Albumin White translucent to Purple/violet Therefore there are proteins present because of the significant purple colour exposed from the reaction of the Biuret solution 3 Pepsin Brown to Pink/brown
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Metabolism Figure 1 above is adapted from João M‚ et al (2012) the chromatographic methodologies for analysis of cocaine and its metabolites which‚ shows the metabolic pathway of cocaine administrated. Cocaine is largely metabolized into two major metabolites benzoylecgonine (BE) and ecgonine methyl ester (EME) and two minor metabolites norcocaine (NCOC) and m- and p-hydroxycocaine (OH-COC) (Goldstein et al.‚ 2009). Benzoylecgonine is primarily produce in the liver by human carbozylerstrase type
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