Question
All Parts of Ubiquinone Have a Function In electron transfer, only the quinone portion of ubiquinone undergoes oxidation-reduction; the isoprenoid side chain remains unchanged. What is the function of this chain?
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The isoprenoid side chain in ubiquinone has several functions: Show more…
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Assume that the conversion of oxidized ubiquinone to reduced ubiquinone by NADH dehydrogenase occurs on the matrix side of the inner mitochondrial membrane and that its oxidation by cytochrome c reductase occurs on the intermembrane-space side of the membrane (see Figures $14-14$ and $14-21$ ). What are the consequences of this arrangement for the generation of the $\mathrm{H}^{+}$ gradient across the membrane?
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