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': 'Which of the following is/are extracellular matrix protein: \nSelect and explain. \nA. Collagen, B. Laminin, C. Fibronectin, D. All', 'role': 'user'}, {'content': 'Answer: D \nExplanation: A, B, C i.e. Collagen, Laminin, Fibronectin', 'role': 'assistant'}]