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Gene Action – Operon Hypothesis – Quiz

Quiz

Select which event in the lac operon is being described.

1. Repressor is bound to the operator.
2. Repressor is bound to lactose.
3. Repressor is unable to attach to the operator.
4. Structural genes for beta-galactosidase is transcribed.
5. Transcription of beta-galactosidase is blocked.

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