Which of the following reactions of electron transport liberate enough free ener

Question

Which of the following reactions of electron transport liberate enough free energy to be able to drive the phosphorylation of ATP? You may assume that all reactants and products are at standard state concentrations. (select all that apply) Electrons are passed from a flavin-containing protein through an Fe S cluster protein to coenzyme Q. Two electrons are passed from two cytochrome proteins to two cytochrome proteins. Electrons are passed from coenzyme Q to two cytochrome b proteins. Two electrons are passed from two cytochrome c_1 proteins to two cytochrome c proteins.

Explanation / Answer

In electron transport chain electrons are transferred from a flavin containing protein through an iron-sulphur containing protein to coenzyme-Q.From this coenzyme Q electros are passed to two cytochrome b proteins.electrons are pased from cytochrome b proteins to cytochrome c1 protein.from cytrochrome c1 protein, electrons are transferred to cytochrome c protein.

in all the above said steps , there will be liberation of enough free energy which drives the phosphorylation of ATP.

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