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NNADVOKAT [17]
4 years ago
13

Which of the following statements describes a primary function of both alcohol fermentation and lactic acid fermentation? Hint:

This product is required for another round of glycolysis. Group of answer choices
regeneration of NAD+
ATP synthesis
regeneration of NADH
reduction of FAD to FADH2
Chemistry
1 answer:
Hunter-Best [27]4 years ago
6 0

Answer:

Regeneration of NAD+

Explanation:

Glycolysis is an inefficient process to produce ATP, but it has been crucial for survival of different kind of cells, and is a step previous in aerobic respiration, where carbohydrates are completely oxidized producing much more ATP molecules.

Both alcoholic and lactic acid fermentations, generate ATP from glycolysis.  NADH is also produced in glycolysis, and is used to reduce piruvic acid (glycolysis end product) direct or indirectly in these fermentations.  Directly, piruvic acid is reduced by NADH to produce lactic acid in lactic acid fermentation.  Indirectly, reducing acetaldehyde (product of previous piruvic acid decarboxilation) into ethanol, in alcohol fermentation.

In both fermentations NAD+ is regenerated, to be used in another round of glycolysis

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