All of the following statements are correct with regard to chromatin EXCEPT
A) Nonhistone chromosomal proteins are believed to comprise at least several hundred different protein species.
B) Histones are proteins which have been conserved during evolution and are rich in basic amino acids.
C) The nucleosome is a basic structural subunit of chromatin, consisting of a core of 8 histone molecules and about 140base pairs of DNA.
D) Histones are synthesized throughout the cell cycle and turnover occurs during cell growth.
E) Most DNA, as it exists in the nucleus, is complexed with proteins.

Question

Quizplus · Accepted Answer

Histones are not synthesized throughout the cell cycle but are rather synthesized during the S-phase of the cell cycle and are used for DNA replication. Turnover of histones occurs during cell division when the newly synthesized DNA needs to be packaged into chromatin.

All of the Following Statements Are Correct with Regard to Chromatin