Question
- Name the molecule 'X' synthesised by 'i' gene. How does this molecule get inactivated?
- Which one of the structural genes codes for B-galactosidase?
- When will the transcription of this gene stop?
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Answer
- The molecule 'X' is a repressor protein; when the inducer lactose combines with it, it is inactivated.
- Z gene.
- The transcription stops when.
- The substrate lactose is not available.
- The energy source, glucose is available to the cells.
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