Organisms growing anaerobically cannot perform glycolysis for long without reducing the pyruvate from glycolysis into another compound, most commonly to lactate or to ethanol plus CO2. Which of the following provides the best explanation for sustaining anaerobic glycolysis? O Lactic acid has to be reduced to regenerate NADH O Pyruvate has to be reduced to regenerate NADH Pyruvate has to be reduced to regenerate NAD+ Lactic acid has to be reduced to regenerate NAD+

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