試題詳解

6. The transient covalent modification of the N-terminal tails of the core histone proteins:
(A) facilitates the process of transcription and DNA replication
(B) disrupts nucleosome/DNA interaction by the introduction of a net positive charge on the nucleosomes.
(C) is specific for the R groups of valine, isoleucine and alanine.
(D) exclusively involve the histone tails of H2A and H2B.
(E) answers A and B are correct