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': 'Hereditary fructose intolerance is due to deficiency of: \nSelect and explain. \nA. Aldolase B, B. Aldolase A, C. Fructokinase, D. Sucrase', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. A. Aldolase B(Ref: Nelson 20/e Chapter Defects in Metabolism of Carbohydrates)Heriditary fructose intolerance due to deficiency of Aldolase BEssential fructosuria due to deficiency of fructokinase', 'role': 'assistant'}]