(a) Why is DNA molecule more stable genetic material than RNA ? Explain.
(b)‘Unambigous’, ‘degenerate’ and ‘universal’ are some of the salient features of genetic code. Explain.

Solution

(a) DNA is more stable as it lacks the highly reactive 2'-OH species and it has thymine which is more stable than uracil found in RNA.

(b)The terms used in genetic code means

Unambiguous means that each codon codes for only one amino acid.

Degenerate means that one amino acid can be coded by mopre than one codon.

Universal means that a given codon in DNA and mRNA specifies the same amino acid in all organisms from viruses, bacteria to human beings.

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