Which amino acids possess polar and negativel | vedclass

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(C) Amino acids are classified based on the nature of their '$R$' group. $1$. Aspartic acid and Glutamic acid contain a carboxylic acid group in their

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Aspartic acid,Glutamic acid

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(C) Amino acids are classified based on the nature of their '$R$' group. $1$. Aspartic acid and Glutamic acid contain a carboxylic acid group in their '$R$' side chain. $2$. At physiological $pH$ $(7.4)$,these carboxylic acid groups lose a proton $(H^+)$ and become negatively charged (carboxylate ions). $3$. Therefore,Aspartic acid and Glutamic acid are classified as polar,negatively charged (acidic) amino acids. $4$. Arginine and Lysine are positively charged (basic),while Asparagine and Glutamine are polar but uncharged.

Which amino acids possess polar and negatively charged '$R$' groups?

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