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': 'Which of the following is enantiomer \nSelect and explain. \nA. a) D Glucose and L Glucose, B. b) D Fructose and L Fructose, C. c) D Mannose and L Mannose, D. d) D Glyceraldehyde and L Glyceraldehyde.', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Explanation- Enantiomers (D and L isomerism) - *D sugars are naturally occurring. Examples areD Glucose and L GlucoseD Fructose and L FructoseD Mannose and L MannoseD Glyceraldehyde and L Glyceraldehyde', 'role': 'assistant'}]