MCQ
In E.coli, the lac operon gets switched on when:
- Alactose is present and it binds to the repressor.
- BRepressor binds to operator.
- CRNA polymerase binds to the operator.
- Dlactose is present and it binds to RNA polymerase.
✓
Answer
- lactose is present and it binds to the repressor.
In E.coli, the lac operon gets switched on when lactose is present and it binds to the repressor.
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