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For DNA replication, how many different/separate polymerization reactions are occuring by DNA polymerase in a replication...

For DNA replication, how many different/separate polymerization reactions are occuring by DNA polymerase in a replication bubble?

a. 2

b. 3

c. 5

d. 1

e. 4

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Answer #1

Answer

d. 1

Because DNA polymerase perform one polymerization reaction which is adding new nucleotide to the newly synthesizing DNA . Polymerization reaction occurs is in 5' - 3' direction and in 3'- 5'. In 5' - 3' direction leads to formation of leading strands while in 3' - 5' direction leads to formation of lagging strand or okazaki fragments because DNA polymerase can work only in 5' - 3' direction.

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