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': 'The most abundant glycoproteins present in basement membrane is \nSelect and explain. \nA. Laminin, B. Fibronectin, C. Collagen type 4, D. Heparan sulphate', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Lamininis the most abundant glycoproteins in the basement membrane .the type 4 collagen .laminin and nidrogen are present in basement mem Ref.robbins Harrison.17/e p2462', 'role': 'assistant'}]