The Role of a Metabolite That Controls a Repressible Operon

question 91

Multiple Choice

The role of a metabolite that controls a repressible operon is to

• A) bind to the promoter region and decrease the affinity of RNA polymerase for the promoter.
• B) bind to the operator region and block the attachment of RNA polymerase to the promoter.
• C) increase the production of inactive repressor proteins.
• D) bind to the repressor protein and inactivate it.
• E) bind to the repressor protein and activate it.

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