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
Fructose intolerance is due to: 
Select and explain. 
A. Fructose only, B. Fructose and Glucose, C. Maltose, D. Sucrose
B: Fructose and Glucose
Answer: B: Fructose and Glucose 
Explanation: Ans. B. Fructose and GlucoseHereditary fructose intolerance is due to the absence of Aldolase B. It causes intracellular accumulation of Fructose-1- phosphate, severe hypoglycemia, vomiting and jaundice.It inhibits liver phosphorylase and blocks glycogenolysis leading to hypoglycemia.