Which Of The Following Examples Describes A Type Of Catabolite Repression?

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Which Of The Following Examples Describes A Type Of Catabolite Repression?

The presence of abundant tryptophan inhibits the Trp operon. When glucose is present, the lac operon is inhibited. A mutation in the operator of the lac operon prevents the expression of the genes needed for the bacterium to utilize lactose. Allolactose binds to a repressor, preventing it from binding to the operator of the lac operon.
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When glucose is present, the lac operon is inhibited

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