Amino acids with polar and negatively charged | vedclass

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Question

(C) Amino acids are classified based on the nature of their '$R$' group.$1$. Arginine is a polar,positively charged amino acid.$2$. Asparagine is a po

Vedclass · Accepted Answer

Aspartic acid

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(C) Amino acids are classified based on the nature of their '$R$' group.$1$. Arginine is a polar,positively charged amino acid.$2$. Asparagine is a polar,uncharged amino acid.$3$. Aspartic acid (aspartate) contains a carboxyl group in its side chain,making it polar and negatively charged at physiological $pH$.$4$. Alanine has a non-polar,hydrophobic methyl group as its side chain.Therefore,the correct option is $C$.

Amino acids with polar and negatively charged '$R$' groups are ..........

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