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Solution


Q.

The naturally occurring amino acid that contains only one basic functional group in its chemical structure is          [2023]
1 asparagine  
2 lysine  
3 histidine  
4 arginine  

Ans.

(1)

Lysine, Arginine and Histidine are basic amino acids with one extra basic functional group, whereas Asparagine has additional-amide group, which is not classified as basic functional group.