In a negative operon,

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Question

(A) In a negative operon system,the regulator gene produces a repressor protein that binds to the operator to prevent transcription. In a repressible

Vedclass · Accepted Answer

a co-repressor binds to the repressor.

Vedclass · Answer

(A) In a negative operon system,the regulator gene produces a repressor protein that binds to the operator to prevent transcription. In a repressible negative operon,the repressor is initially inactive. $A$ co-repressor molecule binds to the inactive repressor,activating it so that it can bind to the operator and block transcription. Therefore,the correct statement is that a co-repressor binds to the repressor.

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