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: Physiology
[{'content': 'Basement membrane consists of all except: \nSelect and explain. \nA. Laminin, B. Nidogenin, C. Entactin, D. Rhodopsin', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. Rhodopsin', 'role': 'assistant'}]