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 compound that consists of ribose linked by an N-glycosidic bond to N-9 of adenine is \nSelect and explain. \nA. A purine nucleotide, B. A pyrimidine nucleotide, C. Adenosine, D. AMP', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]