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Starch, Dextran, And Cellulose

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Starch, dextran, and cellulose are all made up of glucose but differ in the arrangement the glucose molecules. Starch is made of large polysaccharide chains that are arranged in a semi-crystalline form. The glucose in dextran is composed in a linear pattern, the chains are very straight. Lastly in cellulose, glucose is packed tightly together in a parallel formation.

Glycogen is a branched polymer consisting of multiple side chains. The glucose is linked together using a-(1-4) glyosidic bonds. The branches of the polysaccharide is linked via a-(1-6) glyosidic bonds between. In relation to Amylase, the enzyme can hydrolyze glucose from glycogen because it can remove the a-(1-4) glyosidic bonds.

Different parts of the human body are at different levels of the pH scale in relation to its function. Specifically, the stomach is one of the most acidic parts of the body having a pH level of 1.5-3.0. Because of its high acidity enzymes such as amylase would not be able to operate in the stomach. According to the observations amylase has proven to work optimally at the pH level of 6-5. The stomach is too acidic for amylase to function therefore amylase would never be able to digest starch in the stomach.
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It functions best at this level because that is the average pH level of a human. Pancreatic amylase is meant to function optimally in our bodies therefore it works well in environments that simulate the
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