Mary Lyon, Liane Russell, and Ernest Beutler discovered
A) the basis of hormone action.
B) X chromosome inactivation.
C) Barr bodies.
D) melanosomes.
E) heterochromatin.
Correct Answer:
Verified
Q61: DNA is wound around histones to form
Q62: The Barr body is evidence for
A) X
Q63: Several types of histone modification affect gene
Q64: A chemical modification that adds methyl groups
Q65: In eukaryotic cells, a negative regulator or
Q67: In eukaryotic cells, a positive regulator or
Q68: Nucleosomes disaggregate to allow transcription and then
Q69: Heterochromatin
A) contains poly A tails.
B) is rarely
Q70: A cell that contains three Barr bodies
Q71: The interphase cells of normal female mammals
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