1. Which of the following is NOT correct?a. When lactose is absent, the repressor protein is active, and transcription is turned off. b. When lactose is present, the repressor protein is inactivated, and transcription is turned on.c. When glucose is absent, another regulatory protein (CAP) binds to the promoter of the lac operon, increasing the rate of transcription if lactose is present.d. When glucose is present, another regulatory protein (CAP) binds to the promoter of the lac operon, increasing the rate of transcription if lactose is present.e. When tryptophan is present, it binds to the repressor so transcription cannot proceed
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