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Which of the following energy is utilised for the production of the proton gradient in ETS?

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in Biology – Class 11 by (272k points)
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-Reduction

I got this question in an internship interview.

My question comes from Aerobic Respiration in chapter Respiration in Plants of Biology – Class 11

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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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