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DNA Replication

DNA Replication
DNA gyrase is inhibited by

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

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

DNA gyrase
DNA ligase
Topoisomerases
Helicase

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

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

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

Transcription
Trasformation
Translation
Replication

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

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

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DNA Replication
Both strands of DNA serve as templates concurrently in

mismatch repair
replication
excision repair
none of these

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