Which of the following terms defines the most ancient of the metabolic pathways in which energy is released from glucose and captured in the form of ATP under anaerobic conditions?

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Glycolysis is the most ancient metabolic pathway for energy production which occurs in the cytoplasm and does not require oxygen. It breaks down glucose into two pyruvate molecules, producing a net gain of two ATP molecules. The other listed pathways (photo-oxidation, oxidative phosphorylation, and citric acid cycle) are all aerobic processes that require oxygen and more complex than glycolysis.

Which of the Following Terms Defines the Most Ancient of the Metabolic