By what other name is $Gyrase$ known?

During replication of a bacterial chromosome,$DNA$ synthesis starts from a replication origin site and:

Which of the following processes is related to reverse transcription?

After the completion of replication,each $DNA$ molecule consists of:

$E. coli$ has $4.6 \times 10^6 \text{ bp}$, its rate of multiplication during replication is about $ . . . . . . $ per second. (in $\text{ bp}$)

$DNA$ polymerase enzyme is responsible for the synthesis of