Which of these statements about nucleosomes are correct?
a. The histones H1, H2A, H2B, H3, and H4 make up the nucleosome octamer that binds DNA.
b. Partial enzymatic digestion of chromatin results in DNA fragments of about 123 bp
c. Degradation of linker DNA yields DNA fragments of about 145 bp.
d. DNA binding to histones has the same effect as positive supercoiling.
e. Most histones are small (less than 150 amino acid residues), basic proteins rich in Lys and Arg.

Question

02-04-2021
Biology

Answered

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Which of these statements about nucleosomes are correct?
a. The histones H1, H2A, H2B, H3, and H4 make up the nucleosome octamer that binds DNA.
b. Partial enzymatic digestion of chromatin results in DNA fragments of about 123 bp
c. Degradation of linker DNA yields DNA fragments of about 145 bp.
d. DNA binding to histones has the same effect as positive supercoiling.
e. Most histones are small (less than 150 amino acid residues), basic proteins rich in Lys and Arg.

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