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DNA Structure and Replication

DNA Structure and Replication
Which of the following enzyme adds complementary bases during replication?

Synthesase
Replicase
Helicase
Polymerase

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DNA Structure and Replication
DNAs when charged, migrate in a gel towards the

positive pole
negative pole
none of these
will not migrate

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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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DNA Structure and Replication
DNA can be sequenced by the

chain termination procedure
both (a) and (b)
chemical method
physical method

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

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

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

Single strand break
Formation of thymine dimers
Dehydration
Depurination

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