Vijayalakshmi C posted an Question
August 10, 2021 • 10:20 am 30 points
  • IIT JAM
  • Biotechnology (BT)

38.the formation of 3 phosphogyceraye....

According to the study material the above answer should be (A) but the given question solution is (B) can you please clarify the above question

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    Anamitra Sen Best Answer

    Answer is A, Substrate level phosphorylation . Formation of ATP directly from metabolites is known as substrate level phosphorylation. In the process of glycolysis, the sixth and last steps involve the formation of ATP by substrate level phosphorylation. 1. In the sixth step of glycolysis, high energy phosphate group on carbon 1 of 1,3-diphosphoglyceric acid is transferred to a molecule of ADP converting it into an ATP molecule. 1,3 diphosphoglyceric acid changes to 3-phosphoglyceric acid due to loss of a phosphate group. 2. In the last step, high energy phosphate group of phosphoenolpyruvate is transferred to a molecule of ADP with the help of an enzyme, pyruvate kinase in the presence of magnesium ions and potassium ions. This produces pyruvate and a molecule of ATP.

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