Which of the Following Statements Is True Regarding the Lac

question 32

Multiple Choice

Which of the following statements is true regarding the lac operon?

• A) The repressor binds to the promoter element.
• B) Transcription is initiated by the binding of the inducer to the promoter.
• C) The lac operon is unique because it is not subject to catabolite repression.
• D) The promoter element is not essential for the transcription of the operon.
• E) lacZ, lacY and lacA gene products are synthesized at low levels in the uninduced state.

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