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': 'The conversion of glucose 6-phosphate to fructose 6 phosphate is an example of which of the following reaction? \nSelect and explain. \nA. Phosphate transfer, B. Isomerization, C. Dehydration, D. Aldol cleavage', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The conversion of glucose 6 -phosphate to fructose 6- phosphate is an example of isomerization reactions catalysed by isomerase enzyme.These enzymes can produce optical,geometric or positional isomers of substrates. Ref: Janson L.W., Tischler M.E. (2012). Chapter 2. Carbohydrates. In L.W. Janson, M.E. Tischler (Eds), The Big Picture: Medical Biochemistry.', 'role': 'assistant'}]