This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Transport Across Cell Membrane, Subject name: Physiology
[{'content': 'Transport mechanism which requires carrier protein but no energy - \nSelect and explain. \nA. Simple diffusion, B. Facilitated diffiisiun, C. Osmosis, D. Active transport', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Facilitated diffusiun Types of transport across cell membrane Carrier protein involvedEnergy requiredConcentration gradientSimple diffusionNoNoAlong (Down hill)Osmosis (Diffusion of H2O)NoNoAlong (Down hill)Facilitated diffusionYesNoAlong (Down hill)Active transportYesYesAgainst (Up hill)ExocytosisNoYesN/A (not applicable)Endocytosis # Pinocytosis & Phagocytosis# Receptor mediated endocytosisNoYesYesYesN/AN/A", 'role': 'assistant'}]