Why are fermentation reactions important for cells?
A)They produce alcohol which enhances the permeability of their mitochondrial membranes to proton translocation.
B)They regenerate NAD⁺ so that glycolysis can continue to operate.
C)They allow the cell to conserve oxygen for the Krebs cycle.
D)They generate oxygen.

Question

Quizplus · Accepted Answer

Fermentation reactions are important for cells because they regenerate NAD⁺ from NADH. This is important for glycolysis to continue to operate since it requires NAD⁺ as a coenzyme. Without fermentation reactions, NADH would accumulate and glycolysis would be inhibited.

Why Are Fermentation Reactions Important for Cells