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Question

Microbiology Question on Nitrogen cycle

Which of the following is/are consequence(s) of nitrous acid (HNO2) mediated deamination?

A

Deamination of cytosine, adenine and guanine

B

GC-to-AT transitions

C

AT-to- GC transitions

D

Addition of alkyl group to the bases

Answer

Deamination of cytosine, adenine and guanine

Explanation

Solution

The correct options are: (A): Deamination of cytosine, adenine and guanine, (B): GC-to-AT transitions,(C): AT-to- GC transitions.