During the oxygen phase of catabolism, 972 ATP molecules were formed. Determine how many glucose molecules were cleaved and how many ATP molecules were formed as a result of glycolysis and complete oxidation? Explain the answer.
1) In the process of energy metabolism, during the oxygen phase, 36 ATP molecules are formed from one glucose molecule, therefore, 972: 36 = 27 glucose molecules undergo glycolysis and then complete oxidation.
2) During glycolysis, one glucose molecule is split into 2 PVC molecules with the formation of 2 ATP molecules. Therefore, the number of ATP molecules formed during glycolysis is 27 × 2 = 54.
3) With the complete oxidation of one glucose molecule, 38 ATP molecules are formed, therefore, with the complete oxidation of 27 glucose molecules, 38 × 27 = 1026 ATP molecules are formed.
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