Question from Campbell Biology Chapter 16:
36) Studies of nucleosomes have shown that histones (except H1) exist in each nucleosome as two kinds of tetramers: one of 2 H2A molecules and 2 H2B molecules, and the other as 2 H3 and 2 H4 molecules. Which of the following is supported by this data?
ADNA can wind itself around either of the two kinds of tetramers.
BThe two types of tetramers associate to form an octamer.
CDNA has to associate with individual histones before they form tetramers.
DOnly H2A can form associations with DNA molecules.
EThe structure of H3 and H4 molecules is not basic like that of the other histones.
36) Studies of nucleosomes have shown that histones (except H1) exist in each nucleosome as two kinds of tetramers: one of 2 H2A molecules and 2 H2B molecules, and the other as 2 H3 and 2 H4 molecules. Which of the following is supported by this data?
ADNA can wind itself around either of the two kinds of tetramers.
BThe two types of tetramers associate to form an octamer.
CDNA has to associate with individual histones before they form tetramers.
DOnly H2A can form associations with DNA molecules.
EThe structure of H3 and H4 molecules is not basic like that of the other histones.