The enzyme that adds the RNA primer during DNA replication is Primase. Primase synthesizes a short RNA primer, providing a starting point for DNA polymerase to begin synthesizing the new DNA strand. The primer is essential for initiating DNA replication.
| List I | List II | ||
| A | Frederick Griffith | I | Genetic code |
| B | Francois Jacob & Jacque | II | Semi-conservative mode of DNA replication |
| C | Har Gobind Khoran | III | Transformation |
| D | Meselson & Stahl | IV | Lac operon |

