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DNA Replication

DNA Replication
The enzyme that catalyzes the synthesis of DNA is called

DNA polymerase
DNA gyrase
helicase
DNA ligase

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DNA Replication
The synthesis of DNA by DNA polymerase occurs in the

3' to 3' direction
5' to 5' direction
5' to 3' direction
3' to 5' direction

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DNA Replication
DNA replication rates in prokaryotes are approximately of the order of

1,00 bases per second
1,000 bases per second
10,000 bases per second
10 bases per second

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DNA Replication
Which of the following possesses both 5'-3' and 3'-5' exonuclease activity?

Kornberg enzyme
Taq DNA polymerase
DNA polymerase III
None of these

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DNA Replication
Both strands of DNA serve as templates concurrently in

replication
none of these
excision repair
mismatch repair

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DNA Replication
Which of the following lacks 3'-5' exonuclease activity?

Taq DNA polymerase
Short fragment of DNA polymerase I
T4 DNA ligase
All of these

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