Multiple choice

In negative operon

  1. co-repressor binds with repressor

  2. co-repressor does not bind with repressor

  3. co-repressor binds with inducer

  4. cAMP have negative effect on lac operon
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A Correct answer
Explanation

In negative (repressible) oprnon, the repressor co-repressor complex binds with the operator. The free repressor cannot bind to the operator.

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