Graduate Pharmacy Aptitude Test (GPAT) 2012 Solved Paper

Question : 76 of 148

Marks: +1, -0

Penicillin ring system is derived from two of the following amino acids:
[P] : Alanine and methionine
[Q] : Cysteine and valine
[R] : Glycine and cysteine
[S] : Methionine and leucine
Choose the correct pair.