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DNA Replication

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

DNA ligase
DNA polymerase
helicase
DNA gyrase

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DNA Replication
DNA gyrase is inhibited by

cephalosporin
tetracycline
nalidixic acid
both (a) and (b)

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DNA Replication
Which of the following repairs nicked DNA by forming a phosphodiester bond between adjacent nucleotides?

DNA ligase
Helicase
DNA gyrase
Topoisomerases

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

None of these
Kornberg enzyme
DNA polymerase III
Taq DNA polymerase

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DNA Replication
Both strands of DNA serve as templates concurrently in

excision repair
mismatch repair
replication
none of these

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DNA Replication
During which of the following process a new copy of a DNA molecule is precisely synthesized?

Transcription
Replication
Trasformation
Translation

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