How can I get ATP and NADPH from DHAP using glycolysis and PPP?

Expert Solution

The dihydroxyacetone phosphate (DHAP) is isomerized to a molecule of glyceraldehyde 3- phosphate

The above step is the end of Preporatory phase of glycolisis. ATP and NADPH are generated (energy) in the payof phase of glycolysis . Each molecule of glyceraldehyde 3-phosphate is oxidized and phosphorylated by inorganic phosphate (Pi not by ATP) to form 1,3-bisphosphoglycerate. Energy is then released as the two molecules of 1,3- bisphosphoglycerate are converted to two molecules of pyruvate. Much of this energy is conserved by the coupled phosphorylation of four molecules of ADP to ATP. The net yield is two molecules of ATP per molecule of glucose used, because two molecules of ATP were invested in the preparatory phase. Energy is also conserved in the payoff phase in the formation of two molecules of the electron carrier NADH per molecule of glucose.

Before the begining of Payoff phase the dihydroxyacetone phosphate (DHAP) is isomerized to a molecule of glyceraldehyde 3- phosphate.

gladiator answered 1 year ago

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