$DNA$ is synthesized from viral $RNA$ using the enzyme:

By what other name is $Gyrase$ known?

Which one of the following is not a process of $DNA$ replication?

The process of $DNA$ replication is known as:

Given below are the two statements.
Statement $I$: In prokaryotes,there is only one replicon,however,in eukaryotes,there are several replicons in tandem.
Statement $II$: The two separated strands in a replicon of $DNA$ are prevented from rejoining by helicase enzyme.
In the light of the above statements,choose the correct answer from the options given below.

During $DNA$ replication,the strands are separated by which enzyme?