A gene whose expression helps to identify transformed cell is known as:
1. | Vector | 2. | Plasmid |
3. | Structural gene | 4. | Selectable marker |
A foreign DNA and plasmid cut by the same restriction endonuclease can be joined to form a recombinant plasmid using?
1. Eco Rl
2. taq polymerase
3. polymerase lll
4. ligase