Which of the Following Is an Example of Cooperativity

Multiple Choice

Which of the following is an example of cooperativity?

A) the binding of an end product of a metabolic pathway to the first enzyme that acts in the pathway
B) protein function at one site affected by binding at another of its active sites
C) a molecule binding at one unit of a tetramer allowing faster binding at each of the other three
D) the effect of increasing temperature on the rate of an enzymatic reaction
E) binding of an ATP molecule along with one of the substrate molecules in an active site