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DNA Replication

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

all of these
DnaA
DnaC
DnaG

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

Topoisomerases
DNA gyrase
Helicase
DNA ligase

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

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

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

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

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DNA Replication
Both strands of DNA serve as templates concurrently in

mismatch repair
none of these
excision repair
replication

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

DNA polymerase
helicase
DNA gyrase
DNA ligase

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