Which of the following statements about glucose metabolism is correct? Select one: Oa. Red blood cells can catalyze aerobic glycolysis because they contain oxygen bound to hemoglobin. O b. Glycolysis can proceed in the absence of oxygen only if pyruvate is formed from lactate in muscle. All of the reactions of glycolysis are freely reversible for gluconeogenesis. d. Red blood cells can only metabolize glucose by anaerobic glycolysis and the pentose phosphate pathway.

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