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: Biochemistry
[{'content': 'Which is/are not transpo protein? \nSelect and explain. \nA. Transferrin, B. Collagen, C. Ceruloplasmin, D. Hemoglobin', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans.is'b'i.e., Collagen [Ref is a structural proteinAlbumin has circulating transpo proteins such as steroids, thyroxine, triiodothyronine, fat soluble hormones, fatty acids to liver, unconjugated bilirubin, many drugs, Calcium, magnesium, cations & anions.Ceruloplasmin has CopperHemoglobin - Oxygen from lung to tisuuesTransferrin - iron ions in the ferric form (Fe3+).", 'role': 'assistant'}]