First slide

Genetic Code

Question

How many amino acids will be coded by the mRNA sequences –5' AUGCCCUCAUGAUCAAUG 3' if 14^th nucleotide is replaced by adenylic acid residue?

Moderate

A

Two
B

Three
C

Four
D

One

Solution

It codes for three amino acids (Methionine, Proline and Serine) because the fourth codon is UGA - a non-sense codon.

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