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Two acetyl CoA molecules are consumed to produce 4 CO2, (2ATP), 6 NADH and 2 FADH2. The ATP molecules are produced by substrate-level phosphorylation in glycolysis.

one NADH can make 3 ATP

one FADH2 can make 2 ATP

you go through krebs cycle twice because you have 2 pyruvates coming from glycolysis, so even though you make 3 NADH, you make 6 NADH in the end since you go through twice.

6 x 3 = 18 ATP

FADH2 is made once each go-around, so you have a total of 2 FADH2

2 x 2 = 4 ATP

18 + 4 = 22 ATP produced from JUST the krebs cycle

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13y ago

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