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DNA Structure and Replication

DNA Structure and Replication
An enzyme that recognizes foreign DNA, and results in a cut in that DNA is called

restriction endonuclease
reverse transcriptase
transposase
helicase

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

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

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

Erythromycin
All of these
Tunicamycin
Bleomycin

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DNA Structure and Replication
Messelsen and Stahl model of replication was called

conservative replication
dispersive replication
Cri du Chat
semi-conservative replication

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DNA Structure and Replication
The role of primase is to

synthesize an RNA primer to begin the elongation process
cleave and unwinds short sections of DNA ahead of the replication fork
proofread base pairing
dismantle RNA primer

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

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

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