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Question
How will you calculate net products of one sucrose molecule upon complete oxidation during aerobic respiration as per recent view?
Solution
When the cost of transport of ATPs from the matrix into the cytosol is considered, the number will be 2.5 ATPs for each NADH + H+ and 1.5 ATPs for each FADH2 oxidized during the electron transport system. Therefore, in plant cells net yield of 30 ATP molecules for complete aerobic oxidation of one molecule of glucose. But in those animal cells (showing malate shuttle mechanism) net yield will be 32 ATP molecules. Since the sucrose molecule gives, two molecules of glucose and net ATP in plant cell will be 30 × 2 = 60. In an animal cell, it will be 32 × 2 = 64.
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