9. Which statements is/are CORRECT in regard to the transcription regulation in eukaryotes?
(A) Expression of eukaryotic gene is controlled at the transcription initiation that requires the opening ofchromatin.
(B) Histone acetylation is associated with the activation of gene expression.
(C) Histone acetylation is associated with the repression of gene expression.
(D) DNA methylation is associated with transcription activation.
(E) DNA methylation is associated with inactivation of transcription.