The end products of fermentation are _____ (a) Oâ‚‚ and acetaldehyde (b) Oâ‚‚ and ethyl alcohol (c) COâ‚‚ and ethyl alcohol (d) COâ‚‚ and acetaldehyde
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"The end products of fermentation are (c) CO2 and ethyl alcohol.
Fermentation is the anaerobic process by which NADH is oxidized in cells. Pyruvate from glycolysis is converted into acetaldehyde by pyruvate dehydrogenase. During this process, carbon dioxide is produced as a by-product.
This acetaldehyde then combines with NADH to form ethanol and NAD.
This is generally seen in yeasts and is exploited commercially to make alcoholic beverages such as beer and also in making bread.
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