a) Covalent bonding

b) Hydrogen bonding

c) Hydrophobic bonding

d) Vander Waals interactions

a) 14

b) 21

c) 54

d) 17

a) N – terminal extension

b) Lacks defined structure

c) Required for the association of nucleosom

d) Sites for extensive modifications

a) H1, H2A

b) H2A, H2B

c) H2B, H3

d) H3, H4

a) A conserved region

b) Histone fold domain

c) Disc shaped structure

d) 2 α helices and an unstructured loop

a) True

b) False

a) DNA, histone core protein

b) DNA, histone core protein, linker H1

c) RNA, histone core protein

d) RNA, histone core protein, linker H1

a) 3

b) 4

c) 5

d) 6

a) True

b) False

a) 6 histone proteins

b) 8 histone proteins

c) 6 histone proteins and DNA

d) 8 histone proteins and DNA