What Happens in the Lac Operon When Both Lactose and Glucose

question 57

Multiple Choice

What happens in the lac operon when both lactose and glucose are present in the environment?

• A) Transcription of the lac operon structural genes will occur.
• B) Transcription of the lac operon structural genes will occur but at a very slow rate.
• C) Transcription of the lac operon structural genes will occur at an increased rate.
• D) Transcription of the lac operon will not occur because the inducer is not present in the environment.
• E) Transcription of the lac operon will not occur because of catabolite repression.

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