This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolism of carbohydrate, Subject name: Biochemistry
[{'content': 'Essential Pentosuria is due to defect in? \nSelect and explain. \nA. Glycolysis, B. HMP Shunt, C. TCA Cycle, D. Uronic acid pathway', 'role': 'user'}, {'content': "Answer: D \nExplanation: Affected individuals excrete large amounts of L-xylulose in urine. Xylulose being a reducing sugar gives Benedict's test positive. Bial's test is positive as xylulose is a pentose Reference Harper's Illustrated Biochemistry 30th Edition Pg 205", 'role': 'assistant'}]