Question

Calculate the number of ATP produced by oxidation of one molecule of glucose by glycolysis and TCA cycle. Is this number less or more than that produced during β-oxidation of palmitic acid you attempted in question 6a?

08 Feb 2025
Answer :
Word Count : 215

The oxidation of one molecule of glucose through glycolysis, the tricarboxylic acid (TCA) cycle, and oxidative phosphorylation yields ATP as follows:

  1. Glycolysis:

    • 2 ATP are consumed in the preparatory phase.
    • 4 ATP are produced in the energy-yielding phase.
    • Net gain = 2 ATP
    • 2 NADH are generated (yielding 5 ATP in the electron transport chain, assuming 2.5 ATP per NADH).
  2. Pyruvate to Acetyl-CoA Conversion:

    • 2 molecules of pyruvate
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