A chemical commonly used to induce the lac operon in laboratory experiments is
A) lactose.
B) X-Gal.
C) IPTG.
D) galactose.
E) None of the answers is correct.

Question

Quizplus · Accepted Answer

IPTG (isopropyl β-D-1-thiogalactopyranoside) is a chemical analog of lactose that is commonly used to induce the lac operon in laboratory experiments because it is not hydrolyzed by β-galactosidase, allowing for continuous induction.

A Chemical Commonly Used to Induce the Lac Operon in Laboratory