Basic Microbiology 15 Views 1 Answers
Sourav PanLv 10August 18, 2024
Which of the following is/are consequence(s) of nitrous acid (HNO2_22) mediated deamination?
Which of the following is/are consequence(s) of nitrous acid (HNO2_22) mediated deamination?
(A) Deamination of cytosine, adenine, and guanine
(B) GC-to-AT transitions
(C) AT-to-GC transitions
(D) Addition of an alkyl group to the bases
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Sourav PanLv 10May 15, 2025
Answer: (A) Deamination of cytosine, adenine, and guanine
(B) GC-to-AT transitions
(C) AT-to-GC transitions
Explanation:
Nitrous acid causes the deamination of cytosine, adenine, and guanine, leading to transitions from GC to AT and AT to GC in DNA.
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