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exam 1 answers

EXAM 1

Q 1. Explain in detail what is the generalized structure of amino acids?

Q 2. Which two are the structural isomers of the followings? Please explain your answer. C and d are two structural isomers of the C5H12. 3. Explain the structure of phospholipid and if the phospholipid molecules in kept in the water, what will happen? Please explain.4. What is the pH of acidic solution? Why this is so?5. How can you differentiate between saturated and unsaturated fatty acids?

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In the generalized form of amino acid, one central carbon atom is present. This central carbon is known as the alpha carbon. Apart from this alpha carbon atom also an amino group and a carboxyl group is present in the structure. These two groups are attached with the central carbon atom. Thus two bonds out of four bonds are occupied. Rest two are occupied by one hydrogen atom and one R group. The R group denotes the alkyl group. This is what the generalized structure of amino acid looks like.