Who discovered the structure and amino acid sequence of insulin as well as the interspecies differences in molecular structure and won the Nobel prize for?

Ans: b. Frederick Sanger /Ref Lehninger 5/e p903-904, 292)Frederick Sanger discovered the structure and amino acid sequence of insulin as well as the interspecies differences in molecular structure and got the Nobel Prize for that.Fredrick Sanger again with Walter Gil,be got Nobel prize in 1980Jim sequencing of large nucleic acid (DNA) molecule."