Is There a Net Gain of ATP in Glycolysis?


Quick Answer

The net gain of ATP in glycolysis is 2 ATP. Even though the reaction of glycolysis initially uses 2 ATP in its overall process, 4 ATP are produced toward the end.

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Full Answer

The purpose of glycolysis is the production of energy inside cells. Glycolysis is just one of the methods used by cells in this regard, with many products - such as molecules of pyruvic acid - entering more complex cycles, such as Kreb's cycle, in the production of yet more ATP. This ATP is a necessary part of the diet of cells, assisting them in avoiding the build up of toxic waste products.

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