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.

Answer: (B)