A gene can be silenced by the addition of what to a nucleotide?
A) -CH₃
B) -COOH
C) -OH
D) -NH₂
E) -PO4-3

Name: A gene can be silenced by the addition of what to a nucleotide? A) -CH₃ B) -COOH C) -OH D) -NH₂ E) -PO4-3
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Question

A gene can be silenced by the addition of what to a nucleotide?
A) -CH₃
B) ​-COOH
C) ​-OH
D) ​-NH₂
E) ​-PO4-3

Quizplus · Accepted Answer

The addition of a methyl group (-CH₃) to a nucleotide, specifically to the cytosine base in DNA, is a common mechanism for gene silencing. This process is known as DNA methylation and is a key epigenetic modification that can suppress gene expression.

A Gene Can Be Silenced by the Addition of What