DNA RNA replication transcription translation NEET Biology MCQ

Last updated: July 30, 2026

Reviewed by MedQGo Editorial Team | Last updated: July 30, 2026

Which of the following represents a chemical modification in chromatin components?

Abase mutation

Bbase mismatch

CDNA methylation

DRNA splicing

Correct answer: C. DNA methylation

DNA methylation is a common chemical modification found in chromatin. Base mutation and base mismatch are errors that can occur during DNA replication, not specific modifications. RNA splicing occurs in the processing of pre-mRNA to mature mRNA and does not directly modify chromatin components.

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