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Within its core a nucleosome contains ________ histones.


A) 2
B) 4
C) 6
D) 8
E) 64

F) B) and E)
G) A) and E)

Correct Answer

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DNA methylation is the only known natural modification of DNA.It affects


A) adenine bases.
B) guanine bases.
C) cytosine bases.
D) thymine bases.

E) None of the above
F) All of the above

Correct Answer

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