All are markers of mitochondria except: (A) ATP synthase, (B) 5-nucleotidase, (C) Glutamate dehydrogenase, (D) Creatine kinase
Answer is B. 5-nucleotidase is a marker in the mitochondria It cleaves 5 - nucleotides Ref:Guyton and Hall textbook of medical physiology 12th edition ,pag number: 20,21,22