Nuclease digestion of chromatin occurs at sites separated by approximately 200 base pairs because
A) an AT-rich region occurs every 200 base pairs.
B) nucleosomes are spaced 200 base pairs apart.
C) a restriction nuclease site occurs every 200 base pairs.
D) two turns of the DNA around the nucleosome consist of 200 base pairs.
Correct Answer:
Verified
Q21: During which phase of mitosis does the
Q22: The extended length of all the DNA
Q23: Each human has _ pairs of chromosomes.
A)
Q24: The chromosomes of prokaryotes differ from those
Q25: The DNA of eukaryotic cells is wrapped
Q27: Heterochromatin consists of
A) DNA associated with nucleosomes.
B)
Q28: Euchromatin consists of
A) decondensed, transcriptionally active chromatin.
B)
Q29: A centromere is a
A) region of euchromatin
Q30: Kinetochores are the
A) sites of spindle fiber
Q31: During mitosis, highly condensed chromosomes consist of
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