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': 'Clathrin is used in: \nSelect and explain. \nA. Receptor mediated endocytosis, B. Exocytosis, C. Cell adhesion, D. All', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Clathrin and megalin are associated with endocytosis Endocytosis is a vesicular transpo system, it is an active process', 'role': 'assistant'}]