In the mitochondira there is an R lactate dehydrogenase that unlike the cytoplas

Question

In the mitochondira there is an R lactate dehydrogenase that unlike the cytoplasmic enzyme uses cytochrmoe c as an oxidizing agen and D lactate as a substrate. The prduct, pyruvate is the same for both enzymes. Given that the reduction portential of cytochrmoe c is 0.235 v at ph 7.

cyto-c[Fe+3] +e-= cyto-c[Fe+2].... and the reduction potential of pyruvate to F lactate is identical to that of L-Lactate.

IF this reaction is carried out at ph 7.8 rather than at ph 7 how will the equilbrium constant for mitochondiral LDH reaction change. BE QUANTITATIVE!!

Explanation / Answer

If this reaction is carried out at ph 7.8 rather than at ph 7 the equilbrium constant remain unchanged for mitochondiral LDH reaction change. Because this is a catalytic reaction.

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