Students Conducting Research Observe the Rate of an Enzyme-Catalyzed Reaction

Multiple Choice

Students conducting research observe the rate of an enzyme-catalyzed reaction under various conditions with a fixed amount of enzyme in each sample. When will increasing the substrate concentration likely result in the greatest increase in the reaction rate?

A) when a cofactor is required in the reaction
B) when an allosteric inhibitor is present in the reaction
C) when a noncompetitive inhibitor is present in the reaction
D) when a competitive inhibitor is present in the reaction