Q.23 Amino acids are classified as acidic, basic, or neutral depending upon the relative number of amino and carboxyl groups in their molecule. Which of the following is acidic?
(b, d)
Number of COOH groups = 2
Number of NH, group 1
Since the number of COOH groups (2) > the number of NH2 groups (1). Therefore, this amino acid is an acidic amino acid.
Number of COOH groups = 2
Number of NH2 groups = 1
the Number of COOH groups (2) > Number of NH2 groups (1). Therefore, the amino acid is acidic. While the other two are neutral amino acid as the number of NH2 groups in equal to the number of COOH groups in then.
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