Which of the following is not an end product of fermentation reactions?Group of answer choicesLactic acidEthyl alchoholCO2pyruvic acidATPNext
Question
Which of the following is not an end product of fermentation reactions?
Group of answer choices:
- Lactic acid
- Ethyl alcohol
- CO2
- pyruvic acid
- ATP
Solution
The end product that is not a result of fermentation reactions is pyruvic acid.
Here's why:
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Fermentation is a metabolic process that converts sugar to acids, gases, or alcohol. It occurs in yeast and bacteria, and also in oxygen-starved muscle cells, as in the case of lactic acid fermentation.
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The process of fermentation initially involves the conversion of glucose into pyruvic acid through the process of glycolysis.
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However, in the absence of oxygen, instead of undergoing further oxidation to produce CO2 and water (as in aerobic respiration), this pyruvic acid is converted into other compounds through fermentation.
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In the case of alcoholic fermentation (like in yeast), the end products are
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