This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'G couple protein receptor is \nSelect and explain. \nA. Metabotropic receptor, B. Ionic receptor, C. Kinase-linked receptor, D. Nuclear receptor', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ref-katzung 11/e p359 Metabotropic receptor are G-protein receptors', 'role': 'assistant'}]