This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
[{'content': 'All are reducing sugars except- \nSelect and explain. \nA. a) Sucrose, B. b) Lactose, C. c) Glucose, D. d) Fructose', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Explantion- Non reducing sugars- Disaccharides Sugar Units Linkage Trehalose (Sugar of insect hemolymph, yeast and fungi) aDGlucose + aDGlucose a1 ------- a1 linkage Sucrose (Cane Sugar) aDGlucose +b DFructose a1 ------- b2 linkage', 'role': 'assistant'}]