40. Which of the following statements is (are) TURE of histone tails?
(A) They protrude between the two DNA strands that supercoil around the nucleosome.
(B) They can be modified by acetylation, methylation, phosphorylation and ubiquitinylation.
(C) They experience changes in net charge, shape, and other properties of histones in response to
modifications.
(D) The reversible acetylation and deacetylation of lysine residues in the tails of the core histones regulate
chromatin condensation.
(E) They have enzymatic properties that can covalently modify DNA.