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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) A) and B)

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Within its core a nucleosome contains ________ histones.


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

F) C) and D)
G) C) and E)

Correct Answer

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