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DNA Structure and Replication

DNA Structure and Replication
Which histone(s) are associated with the linker DNA of a nucleosome?

Histone H4
Histone H1
Histone H3
Histones H2A and H2B

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DNA Structure and Replication
Number of times the two DNA strands are interwined in circular DNA and is known as

linking number
twisting number
none of these
helix frequency

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DNA Structure and Replication
The site on a bacterial chromosome that marks the initiation point for chromosome replication is called

a promoter
Ori
an initiation codon
Pro

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DNA Structure and Replication
DNA can be sequenced by the

chemical method
physical method
both (a) and (b)
chain termination procedure

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DNA Structure and Replication
Which of the following enzyme adds complementary bases during replication?

Helicase
Synthesase
Replicase
Polymerase

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DNA Structure and Replication
Who's X-ray work aided Watson and Crick in their discovery of the double helix?

Leaderberg
R. Franklin
L. Pauling
W.H. Bragg

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