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DNA Structure and Replication

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

Erythromycin
Tunicamycin
All of these
Bleomycin

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DNA Structure and Replication
After one replication in 15N, how many bands should be observed in a cesium chloride gradient?

Two
A smear
One
Three

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DNA Structure and Replication
In an agarose gel, DNA is moving from

left to right
A to B
anode to cathode
cathode to anode

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DNA Structure and Replication
What is the approximate percentage of repetitive DNA sequences in human DNA?

20 to 30%
40 to 50%
10 to 20%
30 to 40%

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DNA Structure and Replication
DNA replication results in

one new DNA molecules 1 old molecule
two DNA molecules such that each one contains a strand of the original
two completely new DNA molecules
one new molecule of RNA

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DNA Structure and Replication
The accepted hypothesis for DNA replication is

semi-conservative theory
dispersive theory
conservative theory
evolutionary theory

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