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Which of the following amino acids contains only one amino group?(a) Leucine(b) Lysine(c) Asparagine(d) GlutamineThis question was addressed to me in exam.I want to ask this question from Biomolecules topic in division Biomolecules of Chemistry – Class 12

Answer»

The CORRECT OPTION is (a) Leucine

Explanation: Lysine, ASPARAGINE and glutamine all contain TWO amino (NH2) groups, of which one is a part of the side chain. Leucine has a purely ALKYL side chain and the only amino group it has is one the α-carbon.



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