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: Physiology
[{'content': 'Which one of the following is NOT a transpoer or binding protein: March 2013 \nSelect and explain. \nA. Erythropoietin, B. Ceruloplasmin, C. Lactoferrin, D. Transferrin', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. A i.e. ErythropoietinErythropoietin causes formation and release of new RBCs into circulation', 'role': 'assistant'}]