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A competitive inhibitor of succinic dehy...

A competitive inhibitor of succinic dehydrogenase is

A

malonate

B

oxaloacetate

C

`alpha`-ketoglutarate

D

malate

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The correct Answer is:
A
Succinic dehydrogenase oxidised the succinate to fumarate. Malonate, an analogue of succinate, which is a strong competitive inhibitor of succinate dehydrogenase and therefore, blocks the activity of citric acid cycle in eukaryotes In Krebs' cycle the reversible hydration of fumarate to malate is catalysed by fumarase enzyme.
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