Which of the following amino acids has the lo | vedclass

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(C) The iso-electric point $(pI)$ of an amino acid depends on its side chain ($R$-group).Acidic amino acids,which contain an extra carboxylic acid gro

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Aspartic acid

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(C) The iso-electric point $(pI)$ of an amino acid depends on its side chain ($R$-group).Acidic amino acids,which contain an extra carboxylic acid group in their side chain,have lower $pI$ values.Aspartic acid is an acidic amino acid with two carboxylic acid groups and one amino group,resulting in a $pI$ of approximately $2.77$.Glycine and Alanine are neutral amino acids with $pI$ values around $6.0$.Lysine is a basic amino acid with an extra amino group,resulting in a high $pI$ value of approximately $9.74$.Therefore,Aspartic acid has the lowest $pI$.

Which of the following amino acids has the lowest iso-electric point $(pI)$?

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