Q. There are 20 different types of amino acids that help in the formation of proteins. They differ from each other in the structure because of their

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Solution:

All amino acids which form proteins are alpha amino acids with COOH (carboxyl group), (amine group), H and a variable R group attached to a central carbon atom. They differ from each other in the orientation of R group, e.g., R group is 'H' in glycine, ' ' in alanine and ' ' in serine.