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DNA Replication

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

all of these
DnaG
DnaC
DnaA

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

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

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

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

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

Helicases
Single-stranded binding proteins
DNA polymerases
Topoisomerases

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DNA Replication
Both strands of DNA serve as templates concurrently in

none of these
replication
mismatch repair
excision repair

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

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

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