Question

The differnce between one amino acid and other is found in (1) amino acid (2) Carboxyl Group (3) R Group (4) Peptide bond

Answer 1

Answer:

Answer - 1. Amino acid

Explanation:

The side groups are what make each amino acid different from the others. Of the 20 side groups used to make proteins, there are two main groups: polar and non-polar. These names refer to the way the side groups, sometimes called "R" groups, interact with the environment.