FOOD PROCESSING AND PRESERVATION
FERMENTATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What are the waste products from fermentation? (Choose all that apply)
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starch
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carbon dioxide
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glucose
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alcohol
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Explanation:
Detailed explanation-1: -Alcoholic fermentation produces ethanol, carbon dioxide, and NAD+. Lactic acid fermentation produces lactic acid (lactate) and NAD+.
Detailed explanation-2: -Lactic acid is a byproduct of fermentation. Lactic acid will build up in fermenting cells and eventually limit the amount of fermentation that can occur. The only way to get rid of lactic acid is through a chemical pathway that requires oxygen.
Detailed explanation-3: -Alcoholic fermentation also creates ethanol (an alcohol) as a waste product, from which the process alcoholic fermentation gets its name. Due to the absence of oxygen during this process, alcoholic fermentation is also known as anaerobic respiration.
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