Enzo is developing a model of the electron transport chain. What is the role of ATP and NADH in the model?
A
ATP and NADH provide the energy for electron transport to occur.
B. ATP and NADH are synthesized as electrons are transported along the chain.
C. ATP is used to synthesize NADH in one step of the chain.
D. NADH is used to synthesize ATP in one step of the chain.