In Escherichia coli, when the lac operons is fully induced (in the presence of lactose)

A. The lac repressor is active and transcription of the lac operon does not occur
B. The lac repressor is inactive and transcription of the lac operon does occur
C. Lactose cannot be transporter by the cells
D. Lactose cannot be cleaved to enter glycolysis


Ans: B. The lac repressor is inactive and transcription of the lac operon does occur

Biology & Microbiology

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Biology & Microbiology