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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?

Tunicamycin
Erythromycin
All of these
Bleomycin

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

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

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DNA Structure and Replication
Reverse transcriptase produces

RNA from RNA
DNA from RNA
DNA from peptides
RNA from DNA

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DNA Structure and Replication
When DNA polymerase is in contact with guanine in the parental strand, what does it add to the growing daughter strand?

Cytosine
Phosphate
Guanine
Uracil

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DNA Structure and Replication
DNA replication results in

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

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DNA Structure and Replication
Which of the following would not contain DNA?

Bacteria
Mold
Yeast
Glass crystals

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