This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General physiology, Subject name: Physiology
[{'content': 'All of the following transpo processes follows saturation kinetics except \nSelect and explain. \nA. Facilitated diffusion, B. Na+ - Ca2+ exchanger, C. Simple diffusion, D. Na+ coupled active transpo', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Carrier dependent transpo follows saturation kinetics. Simple diffusion does not require carrier protein.Ref: Guyton; 9th edition; Chapter 4 Transpo of Substances Through Cell Membranes', 'role': 'assistant'}]