Chapter 28, Problem 28.42P

(a)

Interpretation Introduction

Interpretation:

The two codons for Glutamic acid and four codons for Valine has to be listed.

Concept Introduction:

The mRNA strand consists of genetic information in the form of nucleotides.  The codons translate the genetic information present on the mRNA strand, with the help of triplet codons which codes for amino acids.  In mRNA the nucleotides present are Adenine (A), Guanine (G), Cytosine (C) and Uracil (U).

(b)

Interpretation Introduction

Interpretation:

The Glutamic acid codons can be converted into Valine codons by a single substitution mutation has to be shown.

Concept Introduction:

The codons are the triplet bases which codes for the amino acids in the protein synthesis.  There are 64 codons which are coded for 20 amino acids.  Each amino acid is coded by more than one codon.