Which Sentence Best Describes the Process of Noncompetitive Feedback Inhibition

Multiple Choice

Which sentence best describes the process of noncompetitive feedback inhibition?

A) The inhibitor binds to the active site and directly blocks the active site of the enzyme.
B) The products of the reaction at the end of the pathway bind to a site other than the active site of an enzyme at or near the beginning of the pathway, and block enzyme activity indirectly.
C) The products of the reaction at the end of the pathway block the active site of the enzyme, inhibiting it directly.
D) The substrate and cofactors compete for the active site of an enzyme and block enzyme activity directly.