Answer :

Final answer:

NADH is the key molecule for ATP production in cellular respiration.


Explanation:

NADH is the molecule that accounts for the most ATP production during cellular respiration. In aerobic respiration, NADH transfers high-energy electrons to the electron transport chain, leading to the production of ATP through oxidative phosphorylation.


Learn more about Cellular Respiration here:

https://brainly.com/question/41603984