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barry barry
wrote...
Posts: 11630
12 years ago
Briefly explain the differences between cellular respiration and fermentation. How do these processes differ in terms of energy output for the cell?
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Educator
12 years ago
Cellular respiration begins in the cytoplasm of a cell (glycolysis) and continues within the mitochondria (the transition reaction, citric acid cycle, and electron transport system). A total of 36 ATP molecules is produced by this metabolic pathway. Fermentation involves the breakdown of glucose in the cytoplasm (glycolysis), producing lactic acid in eukaryotes. There are only 2 ATP molecules produced in this pathway, both of which are generated in glycolysis. Cellular respiration requires oxygen; fermentation does not.
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