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The Lac Operon

16. Regulation of Expression / The Lac Operon / Problem 4

How does IPTG differ from lactose in terms of its interaction with lac operons?

A

It induces lac operon activity.

B

It cannot be hydrolyzed by the enzyme ß--Galactosidase.

C

It leads to the production of enzymes that can metabolize lactose.

D

It makes the genes controlled by the lac operator sequence be expressed abundantly.

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