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Asked by jhajuhi19 20th January 2020, 6:47 PM
Answered by Expert
Answer:

After oxidative decarboxylation of pyruvate into acetyl CoA, the Krebs cycle begins.

Early in glycolysis, one ATP is required for the conversion of glucose to glucose-6-phosphate by phosphohexokinase and one more ATP for the conversion of fructose-6-phosphate to fructose-1,6-biphopshate by phosphofructokinase.

However, fructose-1,6-biphopshate gives rise to two 3-carbon units, each of which generates 2 ATP in subsequent steps of ubstrate level phosphorylation giving a net yield of 2 ATP per glucose molecule.

Thus, 2 ATP molecules are formed from 1 glucose molecule.

So, the correct answer is option (1) Two.

Answered by Expert 21st January 2020, 11:43 AM
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