A)operon
B)inducer
C)promoter
D)repressor
E)corepressor

A)there is more glucose in the cell than lactose.
B)the cyclic AMP levels are low.
C)there is glucose but no lactose in the cell.
D)the cyclic AMP and lactose levels are both high within the cell.
E)the cAMP level is high and the lactose level is low.

A)be replicating nearly continuously.
B)be unwinding in preparation for protein synthesis.
C)have turned off or slowed down the process of transcription.
D)be very actively transcribed and translated.
E)induce protein synthesis by not allowing repressors to bind to it.