When E. coli is grown on glucose, and there is no lactose available

a. the lac repressor binds to the operator of the lac operon
b. lactose molecules bind to the lac repressor
c. the lac genes are transcribed into messenger RNA
d. RNA polymerase binds to the promoter of the lac operon


Ans: a. the lac repressor binds to the operator of the lac operon

Biology & Microbiology

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