Question
Match the scientists of Column I with their contributions in Column II:
| Column I | Column II |
|---|---|
| i. Griffith | p. lac operon |
| ii. Jacob and Monod | q. DNA is the genetic material |
| iii. Meselson and Stahl | r. transforming principle |
| iv. Hershey and Chase | s. DNA replicates semi-conservatively |