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: Pharmacology
[{'content': 'Active drug transpo true is all except ? \nSelect and explain. \nA. Energy dependent, B. Make use of specific transpoer protein, C. Carrier transpo is nonsaturable, D. Carries the drug against the concentration gradient', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Carrier transpo is nonsaturable Active transpo As the name suggests active transpo is active pumping of drug molecules through a membrane against concentration gradient by a molecular pump (carrier mediated), which requires energy to function. So, active transpo has following characteristics: Movement is against concentration gradient A molecular pump (carrier protein) is required. Energy is required.", 'role': 'assistant'}]