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The main reason for the presence of both...

The main reason for the presence of both a leading and a lagging strand during DNA replication is,

A

DNA polymerase can read and synthesize only in the direction of 3'-to-5'

B

DNA polymerase can only synthesize one strand at a time

C

Only one strand is available to be read at any given time

D

There are not enough RNA primers to have both strands be synthesized simultaneously

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