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': 'Following occurs in living cells only? \nSelect and explain. \nA. Simple diffusion, B. Facilitated diffusion, C. Osmosis, D. Active transpo', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. is \'d\' i.e., Active transpo"Because the formation and breakdown of ATP require cell activity, active transpo mechanisms occur through living membranes."Active transpo require energy (ATP). Energy is produced in living cells. Therefore, active transpo is possible only in living cells.', 'role': 'assistant'}]