![]() ![]() There are two decarboxylations and four oxidations per cycle** Hence, anaerobic respiration allows small amounts of ATP to be produced (via glycolysis) in the absence of oxygenĮach acetyl group enters the Krebs cycle, therefore there are two rotations of the Krebs cycle per glucose molecule.Fermentation of pyruvate involves a reduction reaction that oxidises NADH (releasing NAD+ to restore available stocks).In the absence of oxygen, glycolysis will quickly deplete available stocks of NAD+, preventing further glycolysis.Typically, the reduced hydrogen carriers are oxidised via aerobic respiration to restore available stocks of NAD+. ![]()
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