Which of the Following Statements About Histones and Gene Expression

question 19

Multiple Choice

Which of the following statements about histones and gene expression is CORRECT?

• A) In a general sense, highly condensed DNA bound with histone proteins represses gene expression.
• B) Acetylation involves the addition of acetyl groups to histone proteins, and it usually results in repression of transcription.
• C) Addition of methyl groups to the tails of histone proteins always results in activation of transcription.
• D) Histone code refers to the modification that takes place on the globular domain of the octamer histone core.
• E) Phosphorylation of cytosines generally leads to increase in transcription..

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