Which of the Following Statements About the Lac Operon Is

question 77

Multiple Choice

Which of the following statements about the lac operon is not true?

• A) When lactose binds to the repressor, the repressor can no longer bind to the operator.
• B) When lactose binds to the operator, transcription is stimulated.
• C) When the repressor binds to the operator, transcription is inhibited.
• D) When lactose binds to the repressor, the shape of the repressor is changed.
• E) The repressor has binding sites for both DNA and lactose.

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Definitions:

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