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DNA Replication

DNA Replication
Both strands of DNA serve as templates concurrently in

excision repair
mismatch repair
none of these
replication

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

DNA gyrase
Helicase
DNA ligase
Topoisomerases

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

DNA polymerase III
Kornberg enzyme
None of these
Taq DNA polymerase

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

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

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DNA Replication
Which of the following enzymes unwind short stretches of DNA helix immediately ahead of a replication fork?

Topoisomerases
Helicases
DNA polymerases
Single-stranded binding proteins

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

Transcription
Translation
Replication
Trasformation

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