Which among the following is basic amino acid?

Step-by-step solution

Hint : Amino acids are classified as acidic, basic or neutral depending upon the relative number of amino and carboxyl groups in their molecule. Definition of basic amino acids Basic amino acids are the amino acids which have more number of amino than carboxyl groups making it basic. Structures of given amino acids Lysine : Proline : Alanine : Aspartic acid : Example of basic amino acids Some basic amino acids are - lysine, arginine, histidine etc. Final Answer : Correct answer (A) Lysine, which is a basic amino ac