Which Statement Is NOT Valid with Respect to the Enzyme $\nu$

Multiple Choice

Which statement is NOT valid with respect to the enzyme adenylate kinase?

A) The reversible reaction catalyzed by adenylate kinase is 2ADP $\nu$ ATP + AMP.
B) During a 100-meter sprint, adenylate kinase in myocytes catalyzes a biochemical reaction that provides some ATP.
C) Activated adenylate kinase catalyzes the reaction that generates the second messenger cAMP from ATP.
D) When cellular ATP is being used, adenylate kinase generates AMP, a signal of a low-energy state.
E) Adenylate kinase is a phosphotransferase enzyme that plays a critical role in cellular energy homeostasis.