What occurs when an inducer is added to an environment containing an organism with a metabolic pathway controlled by a repressor?
A) The inducer combines with the repressor and activates the pathway.
B) The inducer combines with the repressor and inactivates the pathway.
C) The inducer combines with the substrate and blocks induction.
D) The inducer does not combine with, but functions as a chaperone molecule for, the enzyme-substrate complex.

Question

Quizplus · Accepted Answer

When an inducer is added to an environment containing an organism with a metabolic pathway controlled by a repressor, the inducer combines with the repressor and inactivates the pathway. This allows the pathway to be turned on and the organism to use the substrate in the environment.

What Occurs When an Inducer Is Added to an Environment