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| Q. |
In operan concept, the operator gene combines with (AIIMS -1986) |
| A. | Regulator protein to switch off structural gene transcription |
| B. | Regulator protein to switch on structural gene transcription |
| C. | Inducer to switch off structural gene transcription |
| D. | Regulator gene to switch off structural gene transcription |
| Answer» A. Regulator protein to switch off structural gene transcription | |
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