Chapter 19, Problem 21E

Interpretation Introduction

Interpretation:

The point of difference between one amino acid from the another is to explained.

Concept introduction:

All the amino acids consist of an amine group $\left({\text{-NH}}_{\text{2}}\right)$ and a carboxyl group $\left(\text{-COOH}\right)$.

There are 20 amino acids in nature.