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DNA Structure and Replication

DNA Structure and Replication
Enzymes, responsible for unraveling short segments of DNA is

helicase
DNA polymerase
primase
DNA ligase

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

Histone H3
Histone H1
Histone H4
Histones H2A and H2B

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DNA Structure and Replication
In DNA, guanine pairs with

Cytosine
Thymine
Uracil
Adenine

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DNA Structure and Replication
In DNA double helix, the two DNA chains are held together by

ionic bonds between the pair of bases
covalent bonds between the pair of bases
None of these
hydrogen bonds between the pair of bases

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

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

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DNA Structure and Replication
Which DNA polymerase removes RNA primers in DNA synthesis?

Polymerase III
Polymerase II
none of these
Polymerase I

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