Answer :
Fermentation oxidizes NADH to NAD+, which facilitates the production of ATP in glycolysis.
What is Fermentation?
Fermentation is a metabolic process that produces chemical changes in organic substrates through the action of enzymes. In biochemistry, it is narrowly defined as the extraction of energy from carbohydrates in the absence of oxygen. The science of fermentation is known as zymology.
In microorganisms, fermentation is the primary means of producing adenosine triphosphate (ATP) by the degradation of organic nutrients anaerobically.
Anaerobic conditions are necessary for fermentation (i.e.,without oxygen). Glycolysis, the first step in fermentation, converts glucose into two pyruvate molecules, two ATP (net), and two NADH. The constant breakdown of glucose to produce ATP during fermentation is made possible by the recycling of NADH to NAD+.
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