Question

What process is similar in both fermentation and cellular respiration?

Answer 1

The right answer is C) glycolysis in the cytoplasm .

*Glycolysis produces pyruvate, a molecule able to cross the envelope of the mitochondria where it undergoes complete oxidation during the Krebs cycle (aerobic). This oxidation in the mitochondrial matrix is accompanied by the production of reduced R'H2 compounds and carbon dioxide, which must be rejected by the cell.

*The fermentation occurs in a medium without oxygen, an anaerobic medium. This metabolism replaces cellular respiration and allows, following glycolysis, to recycle reduced R 'transporters (R'H 2).

Small reminder, glycolysis is the degradation of a molecule of glucose into two molecules of pyruvate. This is the starting point of fermentations

Answer 2

C) glycolysis in the cytoplasm


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