Transformation was discovered by:
1. Meseson and Stahl
2. Hershey and Chase
3. Griffith
4. Waston and crick
The unequivocal proof of DNA as the genetic material came from the studies on:
1. | Bacterial virus | 2. | Bacterium |
3. | Fungus | 4. | Viroid |
Semiconservative replication of DNA was first demonstrated in:
1. Drosophila melanogaster
2. Escherichia coli
3. Streptococcus pneumoniae
4. Salmonella typhimurium