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  4. One glucose on complete oxidation yields 36 ATP. During this oxidation of glucose, what is the contribution of the Krebs cycle via oxidative phosphorylation?

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Q. One glucose on complete oxidation yields 36 ATP. During this oxidation of glucose, what is the contribution of the Krebs cycle via oxidative phosphorylation?

NTA AbhyasNTA Abhyas 2020Respiration in Plants

Solution:

During oxidation of glucose through Kreb's cycle 6 molecules of NADH+H+ are produced and 2 molecule of FADH2 is produced. One molecule of NADH +H+ produces 3 ATP and one molecule of FADH2 produced 2 ATP in oxidative phosphorylation. Thus total 22 ATP are produced.