<prompt> Which of the following enzyme of TCA cycle is analogous to Pyruvate dehydrogenase complex?Isocitrate dehydrogenaseAlpha ketoglutarate dehydrogenaseMalate dehydrogenaseSuccinate dehydrogenase  <response>: Alpha ketoglutarate dehydrogenase catalyses an oxidative decarboxylation reaction similar to that of pyruvate dehydrogenase. uses the same coenzymes as the PDH complex their E3 components are identical. Like PDH complex, its E2 is inhibited by arsenic. 