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Question: Answered & Verified by Expert
In negative operon
BiologyMolecular Basis of InheritanceNEET
Options:
  • A Inducer binds with repressor
  • B Co-repressor does not bind with repressor
  • C Co-repressor binds with inducer
  • D cAMP have negative effect on lac operon
Solution:
2890 Upvotes Verified Answer
The correct answer is: Inducer binds with repressor
The repressor is a protein produced by the regulator gene in the operon, which binds to the operator and stops the RNA polymerase to transcribe the structural genes. Hence, the repressor acts negatively in controlling the gene expression.

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