Extracellular Glucose Inhibits Transcription of the Lac Operon by

Multiple Choice

Extracellular glucose inhibits transcription of the lac operon by

A) weakening the binding of repressor to the operator.
B) inhibiting RNA polymerase from opening the strands of DNA to initiate transcription.
C) reducing the levels of intracellular cAMP.
D) strengthening the binding of repressor to the operator.
E) activating adenylyl cyclase.