Answer to Question #104865 in Molecular Biology for Kylie

Question

The enzyme responsible for initiating DNA replication in prokaryotes is:
1. DNA polymerase I
2. DNA polymerase III
3. Polymerase beta
4. Primase

Answer 1

The initiation of the replication process is done by the primase. The primase synthesizes RNA primer for DNA polymerase III, so it can begin the replication process. The right answer is 4.