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DNA Replication

71.

Which enzyme used to join bits of DNA?

Answer: B

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Answer: A

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73.

The nicks or gaps between Okazaki fragments are eventually sealed by

Answer: B

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74.

DNA unwinding is done by ____________

Answer: B

These enzymes move along the DNA and separate the strands using chemical energy from ATP.

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Answer: A

Origin of replication is particular sites on DNA as replication does not start at random sites. Replication starts from a particular site and proceeds bidirectionally or unidirectionally till the terminus site.

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Answer: D

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77.

Proteins involved in opening a replication bubble are

Answer: D

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78.

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

Answer: B

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79.

In DNA replication, one new strand is synthesized complementary to an old (parent) strand and is referred as

Answer: B

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Answer: C

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