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Q. End product of glycolysis is

VMMC MedicalVMMC Medical 2010

Solution:

In the process of glycolysis (EMP pathway), one molecule of glucose breaks down into two molecules of pyruvic acid by 10-step reaction in cytoplasm of cell. The glycolysis is common to both aerobic and anaerobic respiration. There is a net gain of eight ATP molecules in glycolysis, ie, two ATP from direct phosphorylation and six ATP from two molecules of $ NAD{{H}_{2}} $ in an electron transport chain. Carbon dioxide is released in Krebs cycle of respiration. Two molecules of carbon dioxide released in each cycle. One molecule of $ FAD{{H}_{2}} $ is formed in Krebs cycle. On oxidation, one molecule of $ FAD{{H}_{2}} $ provides two ATP instead of three in $ NAD{{H}_{2}} $ . $ NADP{{H}_{2}} $ takes part in anabolic process and pentose phosphate pathway.