In the absence of oxygen cells must exclusively rely on glycolysis to produce ATP. In a process called the hydrogen atoms generated by glycolysis are donated to organic molecules and NAD+ is recycled so that glycolysis can proceed.
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Glycolysis breaks down glucose into pyruvate, generating a small amount of ATP and NADH. Show more…
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glycolysis. After all, could cells growing in the absence of oxygen not simply discard pyruvate as a waste product? In the absence of fermentation, which products derived from glycolysis would accumulate in cells under anaerobic conditions? Could the metabolism of glucose via the glycolytic pathway continue in the absence of oxygen in cells that cannot carry out fermentation? Why or why not?
What happens if oxygen is not present during glycolysis?
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Glycolysis requires oxygen or another inorganic final electron acceptor to proceed.
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