36. E.coli DNA polymerases II and III lack
A. 5′ → 3′ exonuclease activity
B. 5′ → 3′ endonuclease activity
C. partially 5′ → 3′ exonuclease activity
D. partially 5′ → 3′ endonuclease activity
37. In sperm heads, DNA is particularly highly condensed and the histones are replaced with small basic protein called
A. protamines
B. purines
C. pyrimidines
D. all of the above
38. Okazaki fragments occur during
A. transformation
B. replication
C. polymerase reaction
D. synthesis
39. DNA can be sequenced by the
A. chemical method
B. chain termination procedure
C. both (a) and (b)
D. physical method
40. Which histone(s) are associated with the linker DNA of a nucleosome?
A. Histone H1
B. Histones H2A and H2B
C. Histone H3
D. Histone H4
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