Extracellular Glucose Inhibits Transcription of the Lac Operon by _____

Multiple Choice

Extracellular glucose inhibits transcription of the lac operon by _____.

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