Chapter 23, Problem 23.24A

Interpretation Introduction

(a)

Interpretation:

The number of amino acids in peptide is to be calculated.

Concept introduction:

The amino acid is an organic compound having a carboxyl group and an amine group.

Interpretation Introduction

(b)

Interpretation:

The names of amino acids and their polarity is to be discussed.

Concept introduction:

The polar amino acids are those amino acids in which side chain prefers to reside in aqueous environment.

The non-polar amino acids are those amino acids whose side chain does not prefer to reside in aqueous environment.