Which of the following statement is correct regarding the process of replication in E.coli?
1
The DNA dependent DNA polymerase catalyses polymerization in one direction that is 3’ → 5’
2
The DNA dependent RNA polymerase catalyses polymerization in one direction, that is 5’ → 3’
3
The DNA dependent DNA polymerase catalyses polymerization in 5’ → 3’ as well as 3’ → 5’ direction
4
The DNA dependent DNA polymerase catalyses polymerization in 5’ → 3’ direction