How does extracellular glucose inhibit transcription of the lac operon?

By strengthening the binding of the repressor to the operator.

By weakening the binding of the repressor to the operator.

By inhibiting RNA polymerase from opening the strands of DNA to initiate transcription.

By reducing the levels of intracellular cAMP.

Master GlucoseLevels, cAMP, & the Lac Operon with a bite sized video explanation from Jason Amores Sumpter