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': 'Which of the following statements about facilitated diffusion is true? \nSelect and explain. \nA. It is a form of active transport, B. It requires a carrier protein, C. Rate of transport is proportionate to the concentration gradient, D. Requires creatine phosphate', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. (b) It requires a carrier proteinIf Diffusion happens without energy but with the help of carrier protein, it's called facilitated diffusionOne good example of a substance that use facilitated diffusion carrier protein is GLUCOSE transport using Glucose Transporters (GLUT)", 'role': 'assistant'}]