Which pieces of evidence support the radial loop-scaffold model of DNA packaging?
A) Histone-depleted metaphase chromosomes still maintain their X-like shapes.
B) Radial loop-scaffold DNA has been isolated and crystallized.
C) Topoisomerase II assists in 100 Å packaging.
D) Each G band formed by Giemsa staining represents a chromatin loop.
Correct Answer:
Verified
Q12: The two chromatids of each replicated chromosome
Q13: Select the statement that correctly describes the
Q14: By weight, chromatin consists roughly of
A)1/3 DNA,
Q15: When a cell loses telomerase activity, what
Q16: In mammalian cells, replication proceeds
A)unidirectionally
B)bidirectionally.
C)unidirectionally from many
Q18: The components of a chromosome include one
Q19: The total compaction of DNA as seen
Q20: During DNA replication in a typical human
Q21: Cohesins are multisubunit protein complexes that
A)hold sister
Q22: One of the functions of a centromere
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