This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: vitamins, Subject name: Biochemistry
Thiamine is coenzyme for all the following enzymes except 
Select and explain. 
A. a-ketoglutarate dehydrogenase, B. Pyruvate dehydrogenase, C. Succinate dehydrogenase, D. Transketolase
C: Succinate dehydrogenase
Answer: C: Succinate dehydrogenase 
Explanation: Vitamin Functions Deficiency Disease B1 Coenzyme in pyruvate and a-ketoglutarate dehydrogenases, and transketolase; regulates Cl- channel in nerve conduction Peripheral nerve damage (beriberi) or central nervous system lesions (Wernicke Korsakoff syndrome) Reference: Harper; 30th edition; Page no: 550