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
Hereditary fructose intolerance is due to deficiency of: 
Select and explain. 
A. Aldolase B, B. Aldolase A, C. Fructokinase, D. Sucrase
A: Aldolase B
Answer: A: Aldolase B 
Explanation: 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