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Glycolysis occurs in the absence of oxygen while oxidative respiration requires oxygen
Answer D - the initial breakdown of glucose to pyruvic acid
Glycolysis is the most widespread metabolic pathway.
Glycolysis occurs in the cytoplasm (cytosol)
Glycolysis splits 1 glucose (6C) into 2 pyruvate (3C), producing 2 NADH (to be used in Krebs Cycle) and a net of 2 ATP.
Carbon Dioxide