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DNA Replication

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

DNA polymerase
helicase
DNA gyrase
DNA ligase

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

Topoisomerases
DNA ligase
Helicase
DNA gyrase

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

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

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

Translation
Transcription
Trasformation
Replication

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DNA Replication
In E.coli, which enzyme synthesizes the RNA primer for Okazaki fragments?

DnaC
DnaA
all of these
DnaG

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DNA Replication
DNA gyrase is inhibited by

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

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