Which of the Following Is an Example of Cooperativity

Multiple Choice

Which of the following is an example of cooperativity?

A) binding of an ATP molecule along with another substrate in an active site
B) binding of a molecule to one subunit of an enzyme,which promotes faster binding to each of the other subunits of the enzyme
C) the product of one enzyme in a metabolic pathway serving as the substrate for the next enzyme in the pathway
D) binding of the end product of a metabolic pathway to the enzyme that catalyzes the first step in the pathway