試題詳解

20. Histone variants are closely related to one of the core histones. They can assemble into nucleosomes, the roles of histone variants are:
(A) that are present during double-strand break repair.
(B) that are disrupted during active transcription.
(C) in centromeric regions.
(D) that compact chromatin in sperm cells.
(E) All of these are correct.