Question

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

Options

• DNA polymerase can read-only in the direction of 3' to 5'.

• DNA polymerase can only synthesize one strand at a time.

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

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

Answer 1

The main reason for the presence of both a leading and a lagging strand during DNA replication is DNA polymerase can read only in the direction of 3' to 5'.