When Does Repression of the Lac Operon Occur

question 55

Multiple Choice

When does repression of the lac operon occur?

• A)When allolactose binds to the operator region.
• B)When allolactose binds to the repressor protein.
• C)When the repressor protein binds to the operator region.
• D)When allolactose binds to β-galactosidase.
• E)When the repressor protein binds to the promoter.

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