Instructions

NADH is used primarily in substrate-level phosphorylation B. NADH accepts electrons in fermentation only C. NADH is used to create the phosphoanhydride bonds in ATP D. NAD’ accepts electrons from glucose 25. Pyruvate is reduced to form ethanol in yeast fermentation during anaerobic respiration, with the release of carbon dioxide; however, ethanol and carbon dioxide can be toxic to yeast and will kll the cells in high amounts. How do the yeast benefit from producing lethal toxins in anaerobic conditions? A. to produce ethanol because it is an intermediate step in lactic acid production 8. to regenerate NAD’ so glycolysis can continue to produce small amounts of ATP C. to activate carbon dioxide transporters D to conserve energy because pyruvate transport requires more energy than ethanol transport

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