Which of the following statements on replication in E.coli is correct?

Q. Which of the following statements on replication in E.coli is correct?

A.            It occurs in a unidirectional manner

B.            It occurs in bidirectional manner

C.            Always uses T7 DNA polymerase when infected by T7 phage

D.            Occurs only when? Phase has infected E. coli

Answer: It occurs in bidirectional manner