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प्रश्न
Nitrous acid induces mutations primarily through which mechanism?
पर्याय
Alkylation of purines and transitions
Hydroxylation of cytosine
Intercalation between base pairs causing frameshifts
Deamination and strand crossing over
MCQ
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उत्तर
Nitrous acid is a chemical mutagen that acts by deamination, removing amino groups from nitrogenous bases. This alters base-pairing properties and can also cause strand crossing over, leading to mutations.
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