Explain between pathway by which breakdown of glucose occur in various organisms
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breakdown of food is done in digestive system many juices are secreted
Breaking down of glucose can occur by various pathways ; ⑴ In presence of oxygen : - Breaking down of glucose into pyruvate takes place in Mitochondria of a cell. ... - In absence of Oxygen, glucose breakdown into pyruvate in cytoplasm only.The process of aerobic respiration completely breaks down glucose into carbon dioxide and water, whereas anaerobic respiration incompletely breaks down glucose into alcohol (alcohol fermentation) or lactic acid (lactic acid fermentation).The series of steps where glucose is broken down to release energy begins with a metabolic pathway called glycolysis. Glycolysis is the "lysing" or cutting of glucose to release energy. The six carbon sugar, glucose, is cut in half and converted into two three carbon sugars called pyruvate.Breakdown of glucose by various pathways In the very first stage the Glucose which is a 6-carbon molecule is breaks into pyruvate which is a 3-carbon molecule in thecytoplasm. After that they are broken down by three different pathways to release energy. (i) In the absence of oxygen in Yeast.