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
α polypeptide of hemoglobin closely resembles which of the following? 
Select and explain. 
A. Collagen, B. Albumin, C. Myoglobin, D. Transferrin
C: Myoglobin
Answer: C: Myoglobin 
Explanation: Although it possesses seven rather than eight helical regions, the α polypeptide of hemoglobin also closely resembles myoglobin.
Ref: Harper’s illustrated biochemistry. 30th edition page no: 54