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
Noble prize for sequencing insulin aminoacid sequence & molecular structure was given to: 
Select and explain. 
A. Banting & Macleod, B. Sanger, C. Charles Best, D. Paul Berg
B: Sanger
Answer: B: Sanger 
Explanation: B i.e. Sanger