Final answer:
In alcohol fermentation, yeast and certain bacteria convert NADH back to ethanol while converting pyruvate to CO2 and Ethanol.
Step-by-step explanation:
In alcohol fermentation, yeast and certain bacteria convert NADH back to ethanol while converting pyruvate to CO2 and Ethanol.
This process is also known as alcoholic fermentation and is used to make bread, wine, and biofuels.