This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Carbohydrates, Subject name: Biochemistry
[{'content': 'Enzyme deficiency in Galactosemia: \nSelect and explain. \nA. Galactose 1 phosphate uridyl transferase, B. Aldolase B, C. UDP galactose 4 epimerase, D. Fructokinase', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. A. Galactose 1 Phosphate uridyl transferase(Ref: Harper 31/e page 191)Classic galactosemia due to Galactose 1 Phosphate uridyl transferase is most common cause of galactosemia enzyme deficiencyGalactose 1 Phosphate uridyl transferase (Classic Galactosemia)GalactokinaseUDP Hexose 4 Epimerase', 'role': 'assistant'}]