This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Enzymes, Subject name: Biochemistry
A mitochondrial marker enzyme is: 
Select and explain. 
A. Aldolase, B. Amylase, C. Succinic dehydrogenase, D. Pyruvate dehydrogenase
C: Succinic dehydrogenase
Answer: C: Succinic dehydrogenase 
Explanation: Ans. C. Succinic dehydrogenaseList of marker enzymes for other cell organelles is given below:Subcellular FractionEnzymeMitochondriaSuccinate DehydrogenaseLysosomesAcid PhosphataseMicrosomesGlucose 6-Phosphate dehydrogenaseCytoplasmLactate dehydrogenaseNucleolusRNA Polymerase, RNAase, DNA Poly (Absent)NucleiMany enzymes but can't be assayed in the lab.