Which of the following amino acids contains a | vedclass

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(B) Amino acids are classified based on the nature of their $R$-group side chains.$1$. Alanine $(A)$ has a non-polar,hydrophobic methyl group as its $

Vedclass · Accepted Answer

Serine

Vedclass · Answer

(B) Amino acids are classified based on the nature of their $R$-group side chains.$1$. Alanine $(A)$ has a non-polar,hydrophobic methyl group as its $R$-group.$2$. Serine $(S)$ contains a hydroxyl group $(-OH)$ in its $R$-group,which makes it polar but uncharged at physiological $pH$.$3$. Valine $(V)$ has a non-polar,branched hydrocarbon side chain.$4$. Histidine $(H)$ has an imidazole ring in its $R$-group,which can be positively charged depending on the $pH$.Therefore,Serine is the correct answer as it is polar and uncharged.

Which of the following amino acids contains a polar and uncharged $R$-group?

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