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DNA Structure and Replication

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

none of these
Polymerase III
Polymerase I
Polymerase II

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DNA Structure and Replication
Which of these drugs bind to DNA and cuts it, producing hydroxyl radicals?

All of these
Tunicamycin
Erythromycin
Bleomycin

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

twisting number
linking number
helix frequency
none of these

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DNA Structure and Replication
Okazaki fragments occur on the __________ and are bonded together by __________

Leading strand, polymerase
mRNA, anticodons
Lagging strand, ligase
tRNA, polymerase

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DNA Structure and Replication
In a cesium chloride gradient, DNA labeled with 15N and centrifuged will form a band

below DNA containing 14N
all of these
above DNA containing 14N
with 14N-containing DNA

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DNA Structure and Replication
What is the name given to the points at which a DNA helix is unwound and new strands develop?

Okazaki fragments
Replication origins
Replication forks
Leading strands

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