Which of the Following Statements About Histone and Gene Expression

Multiple Choice

Which of the following statements about histone 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 is referring to the modification that takes place on the globular domain of the octomeric histone core.
E) All statements above are correct.