Life Processes
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What are the different ways in which glucose is oxidised to provide energy in various organisms?
The two different ways in which glucose is oxidized to provide energy in various organisms are as follows:
First set of breakdown of glucose takes place in the cytoplasm of cells of all organisms. This process yields a three carbon molecule compound called pyruvate. Further breakdown of pyruvate takes place in different manners in different organisms. (i)Anaerobic respiration which takes place in absence of oxygen, e.g., in yeast during fermentation. In this case, pyruvate is converted into ethanol and carbon dioxide. (ii) Aerobic respiration, in which breakdown of pyruvate takes place in presence of oxygen to give rise to three molecules of carbon dioxide and water.
First set of breakdown of glucose takes place in the cytoplasm of cells of all organisms. This process yields a three carbon molecule compound called pyruvate. Further breakdown of pyruvate takes place in different manners in different organisms. (i)Anaerobic respiration which takes place in absence of oxygen, e.g., in yeast during fermentation. In this case, pyruvate is converted into ethanol and carbon dioxide. (ii) Aerobic respiration, in which breakdown of pyruvate takes place in presence of oxygen to give rise to three molecules of carbon dioxide and water.
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