Q.

Sulphur (S) containing amino acids from the following are:

a) isoleucine
b) cysteine
c) lysine
d) methionine
e) glutamic acid                                   [2023]

1 a, d  
2 a, b, c  
3 b, c, e  
4 b, d  

Ans.

(4)

Cysteine and methionine contain S-atom.