Chapter 17.8, Problem 20P

(a)

Interpretation Introduction

Interpretation:

The amino acids present in glutathione has to be described.

Concept introduction:

Amino acids are linked each other by peptide bonds is called protein (one or more peptide bonds).  Peptide bonds are amide bonds, in which carbonyl group of one amino acid bonded to amino group of other amino acid.  The chain of the protein is drawn in such a way that left end is occupied by free amino group (say N-terminal) and right side of the chain is occupied by carbonyl group (say C-terminal).

(b)

Interpretation Introduction

Interpretation:

The unusual feature of glutathione structure has to be explained.

Concept introduction:

Amino acids are linked each other by peptide bonds is called protein (one or more peptide bonds).  Peptide bonds are amide bonds, in which α-carbonyl group of one amino acid bonded to α-amino group of other amino acid.