A) DNA winding around histones to form small nucleosomes.
B) tight coiling of DNA with nucleosomes into higher order structures.
C) high level compaction into metaphase-type chromosomes.
D) histone,DNA,and nonhistone covalent bonding.
E) DNA double helix unwinding.

A) 10,000
B) 50,000
C) 100,000
D) 40
E) 4

A) compacting DNA
B) activity at different moments in the cell cycle
C) centromere function activity
D) forming the nucleosome core
E) regulating gene expression