This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General, Subject name: Physiology
[{'content': 'True about facilitated diffusion- \nSelect and explain. \nA. Active, B. Requires carrier, C. Requires ATP, D. Against concentration gradient', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Requires carrier 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 (Uphill)ExocytosisNoYesN/A (not applicable)Endocytosis # Pinocytosis & PhagocytosisNoYesN/A# Receptor mediated endocytosisYesYesN/A", 'role': 'assistant'}]