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Answer:
Pyruvic acid is not the end product of fermentation because in fermentation the pyruvic acid is converted into alcohol/lactic acid and carbon dioxide. There are two types of fermentation alcoholic fermentation and lactic acid fermentation.
In alcoholic fermentation, pyruvate is converted into ethanol and CO2 for example in yeast and in lactic acid fermentation pyruvate is converted into lactic acid and CO2 for example in animals muscles.
Therefore in fermentation pyruvic acid is not the end product of fermentation. In fermentation 2 ATP is produced.
Pyruvic acid is an intermediate of many metabolic processes. It is not the end product of fermentation as it gets converted to lactic acid or alcohol.
What is fermentation?
Fermentation is the chemical breakdown of the molecules by the action of the yeast and bacteria to produce substances with effervescence and heat. It is used to prepare wine, beer, and other alcoholic products.
The end product of the fermentation is alcohol or lactic acid and carbon dioxide but not pyruvate. In the process, the pyruvate gets converted into alcohol and carbon dioxide and in the other process gets converted into lactic acid and carbon dioxide like in animal muscles.
Therefore, pyruvate is not the end product of lactic or alcoholic fermentation.
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