In Escherichia coli, when the lac operon is fully induced (in the presence of lactose):
A. lactose cannot be cleaved to enter glycolysis.
B. the lac repressor is active and transcription of the lac operon does not occur.
C. lactose cannot be transported by the cells.
D. the lac repressor is inactive and transcription of the lac operon does occur.
Ans: D. the lac repressor is inactive and transcription of the lac operon does occur.
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