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Which step of cellular respiration does not produce ATP? a.glycolysis b. pyruvate breakdown c. citric acid cycle. d....

Which step of cellular respiration does not produce ATP?
a.glycolysis
b. pyruvate breakdown
c. citric acid cycle.
d. electron transport chain

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Answer #1

Pyruvate breakdown doesn't produce any ATP.

Here the end product is mainly NADH2 and (lactic acid and alcohol) in anaerobic respiration and no ATP is formed.

Glycolysis produces 2 molecules of ATP

Krebs cycle about 2 molecules of ATP

ETC produces 34 molecules of ATP

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