Which of the Following Statements Correctly Describes the Role of a Molecule

Multiple Choice

Which of the following statements correctly describes the role of a molecule that controls a repressible operon?

A) The molecule binds to the promoter region and decreases the affinity of RNA polymerase for the promoter.
B) The molecule binds to the operator region and blocks the attachment of RNA polymerase to the promoter.
C) The molecule increases the production of inactive repressor proteins.
D) The molecule binds to the repressor protein and activates it.