Glycolysis takes place in the cytoplasm.
Glycolysis involves two phases, energy investment phase and energy pay off phase.
In the energy investment phase, glucose is broken down into two molecules of
glyceraldehydes 3-phosphate.
glyceraldehydes 3-phosphate.
Two molecules of ATP are utilized in this phase.
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In the energy pay off phase, two molecules of G3P are converted into two molecules of pyruvate.
During this phase 4ATP is formed by substrate level phosphorylation.
The net gain of energy during glycolysis is 2ATP and 2NADH.
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