Question: during which step of cellular respiration is the majority of atp formed
Answer: 5 ) due to NADH transport over the mitochondrial membrane Oxidative decarboxylation of pyruvate 2 NADH 5 Oxidative phosphorylation Krebs cycle Substrate - level phosphorylation 6 NADH 15 Oxidative phosphorylation 2 FADH Oxidative phosphorylation Total yield 30 or 32 ATP From the complete oxidation of one glucose molecule to carbon dioxide and oxidation of all the reduced coenzymes .