Definition noun A glycolytic pathway by which glucose is metabolized and converted ultimately to pyruvate, and also results in a gain of ATP and also NADH molecules Supplement Cellular respiration is a cellular procedure made up of glycolysis, Krebs cycle, and oxidative phosphorylation. Glycolysis is the phase in cellular respiration involved in the destruction of a basic sugar to pyruvate in order to yield high-energy molecules (e.g. ATP and also NADH). The Embden-Meyerhof-Parnas pathway is the the majority of common and renowned form of sugar destruction. It provides usage of glucose, which is converted to a series of intermediated and also inevitably to pyruvate. It is made up of 2 phases: (1) the energy-investment phase and also (2) the energy-payoff phase. The energy-investment phase is the first phase of glycolysis in which power (i.e. two ATP molecules) is consumed so that glucose might be processed and converted right into two 3-carbon sugar phosphates: glyceraldehyde-3-phosphate (G3P) and dihydroxyacetone phosphate. The G3P proceeds to the next phase, i.e. the energy-payoff phase whereas its isomer, dihydroxyacetone phosphate, has to be converted to G3P (through isomerase) to development into the following phase. The energy-payoff phase is the second phase of glycolysis wright here energy-well-off molecules (ATP and also NADH) are produced. Each G3P molecule yields one NADH and also 4 ATP molecules in the time of this phase. With the conversion of dihydroxyacetone phosphate to G3P, the assets and the reactants of the procedures associated in this phase would be doubled. Thus, in the energy-payoff phase, 2 NADH and also 4 ATP molecules can be meant. The Embden-Meyerhof-Parnas pathmeans yields 2 NADH and 4 ATP molecules per glucose. Since the energy from ATPs is supplied during the energy-investment phase, the net obtain from this pathmethod will be 2 NADH and 2 ATP molecules per glucose. The final assets are pyruvate and also water molecules. In this pathmeans, 2 pyruvate molecules and two water molecules deserve to be intended for every glucose molecule. The pyruvate is converted to acetyl CoA to enter the next stage of cellular respiration, i.e. Krebs cycle. The name of this glycolytic pathmethod is obtained from the names of Gustav Embden, Otto Meyerhof, and Jakub Karol Parnas, who defined the procedures connected. Abbreviation/Acronym:


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