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Which of the following energy is utilised for the production of the proton gradient in ETS?(a) Energy of Oxygen(b) Energy of Hydrogen(c) Energy of Phosphorous(d) Energy of Oxidation-ReductionI got this question in an internship interview.My question comes from Aerobic Respiration in chapter Respiration in Plants of Biology – Class 11

Answer»

Correct option is (d) Energy of Oxidation-Reduction

To explain: Unlike PHOTOPHOSPHORYLATION, where it is the light energy that is UTILISED for the production of proton gradient required for phosphorylation, in RESPIRATION, it is the energy of the oxidation-reduction utilised for the same process. It is for this reason that the process is CALLED OXIDATIVE phosphorylation.



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