Bio-Physics (M.Phil./Ph.D.) 2020 Panjab University Entrance Exam With Answers

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33.

Two amino acids of the standard 20 amino acids contain sulfur atoms. They are:

A: Cysteine and serine
B: Cysteine and threonine
C: Methionine and cysteine
D: Methionine and serine

The answer is: C