試題詳解

12. Which of the following statements regarding the eukaryotic nucleosome are     CORRECT    ?
(A) The nucleosome is the subunit of all chromatin.
(B) The nucleosome contains ~200 bp of DNA, organized by an octamer of small, basic proteins, called histones, into a bead-like structure.
(C) Nucleosomal DNA is divided into core DNA and linker DNA depending on its susceptibility to micrococcal nuclease.
(D) The length of core DNA is 146 bp.
(E) Histone H1 is associated with the core DNA; histones H2A, H2B, H3 and H4 are associated with the linker DNA.