Several types of histone modification affect gene activation and repression. Cancer cells are characterized by a greater degree of
A) methylation.
B) phosphorylation.
C) acetylation.
D) interference.
E) deacetylation.

Question

Quizplus · Accepted Answer

Deacetylation is a type of histone modification that is associated with gene repression. Cancer cells are characterized by a greater degree of deacetylation, which can lead to the silencing of tumor suppressor genes and the activation of oncogenes.

Several Types of Histone Modification Affect Gene Activation and Repression