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DNA Structure and Replication

DNA Structure and Replication
What is the main damaging effect of UV radiation on DNA?

Formation of thymine dimers
Dehydration
Single strand break
Depurination

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DNA Structure and Replication
DNA replication takes place in which direction?

Vary from organism to organism
5 'to 3'
3' to 5'
Randomly

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DNA Structure and Replication
What bands will be observed in a cesium chloride gradient after two rounds of replication?

One medium and one heavy band
One light, one medium and one heavy band
One medium band
One light and one medium band

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DNA Structure and Replication
An important difference between eukaryotic and prokaryotic DNA replication is

eukaryotic DNA polymerases are faster
multiple origins of replication in eukaryotes
more DNA polymerases are found in eukaryotes
RNA primers are not required in eukaryotes

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

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

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DNA Structure and Replication
Which of the following is not a structural motif in DNA binding proteins?

TFIID
zinc finger
helix-turn-helix
bZIP

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