The region of the amino acid molecule that determines the specific amino acid is the

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Quizplus · Accepted Answer

The "R" group, also known as the side chain, is the unique region of the amino acid molecule that determines its specific identity. It differs for each of the 20 common amino acids and can vary in size, shape, charge, and other chemical properties, which influences the amino acid's interactions with other molecules and its role in protein structure and function. The other options, such as the amine group and carboxyl group, are also important parts of the amino acid structure, but they are shared among all amino acids and do not contribute to their individual identities.

The Region of the Amino Acid Molecule That Determines the Specific