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Glycolysis is the first stage of aerobic (and anaerobic) respiration. It takes place in the cytoplasm of the cell. In glycolysis (âglucose breakingâ), ATP is used to split glucose molecules into a three-carbon compound called pyruvate. This splitting produces energy that is stored in ATP and a molecule called NADH.
Through cellular respiration the cells harvest energy stored in food by a catabolic pathway for the production of adenosine triphosphate (ATP). ATP is a high energy molecule which is spent by working cells. Cellular respiration takes place both in eukaryotic and prokaryotic cells. Cellular respiration can be aerobic respiration in the presence of oxygen or anaerobic respiration in the absence of oxygen. There are two types of cellular respiration: Aerobic and Anaerobic respiration. Aerobic Respiration. Aerobic respiration takes place in the presence of oxygen, by which ATP is is produced by the cells by oxidation of organic compounds.