The reducing equivalents of cytosolic NADH derived from glycolysis can be utilized for the mitochondrial electron transport system by
A) Direct donation of electrons to cytochrome c in the intermembrane space.
B) Transport of NADH into the mitochondrial matrix and donation of electrons to electron transport complex I.
C) Reduction of dihydroxyacetone phosphate to phosphatidyl glycerol, transport of phosphatidyl glycerol into the mitochondrial matrix, reduction of NAD+ to NADH, and donation of electrons to complex I.
D) Direct reduction of FAD by NADH by mitochondrial glycerol_3_ phosphate dehydrogenase.
E) Reduction of cytosolic oxaloacetate to malate, transport of malate into the mitochondrial matrix, reoxidation of malate to oxaloacetate and reduction of NAD+ to NADH, and donation of electrons from NADH to complex I.
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