Class 11 Biology Respiration In Plants The respiratory balance sheet

The respiratory balance sheet

  • The net gain of ATP for every glucose molecule oxidised can be calculated based on the following assumptions:
  • There is a sequential, orderly pathway functioning, with one substrate forming the next and with glycolysis, TCA cycle and ETS pathway following one after another.
  • The NADH synthesised in glycolysis is transferred into the mitochondria and undergoes oxidative phosphorylation.
  • None of the intermediates in the pathway are utilised to synthesise any other compound.
  • Only glucose is being respired.
  • There can be a net gain of 36 ATP molecules during aerobic respiration of one molecule of glucose.


Fig. Respiratory balance sheet

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