In which of the following amino acids is the | vedclass

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(C) To determine which amino acids contain an $-OH$ (hydroxyl) group in their side chain,let us examine the structures: $1$. Lysine: Contains an amino

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$(B), (C)$

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(C) To determine which amino acids contain an $-OH$ (hydroxyl) group in their side chain,let us examine the structures: $1$. Lysine: Contains an amino group $(-NH_2)$ in its side chain. $2$. Serine: Contains a hydroxymethyl group $(-CH_2OH)$ in its side chain,which includes an $-OH$ group. $3$. Tyrosine: Contains a phenolic group $(-C_6H_4OH)$ in its side chain,which includes an $-OH$ group. $4$. Valine: Contains an isopropyl group $(-CH(CH_3)_2)$ in its side chain,which does not contain an $-OH$ group. Therefore,both Serine and Tyrosine contain an $-OH$ group. The correct option is $(C)$.

$(A)$ Lysine	$(B)$ Serine
$(C)$ Tyrosine	$(D)$ Valine

In which of the following amino acids is the $-OH$ group present?

$(A)$ Lysine $(B)$ Serine

$(C)$ Tyrosine $(D)$ Valine

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In which of the following amino acids is the $-OH$ group present? $(A)$ Lysine $(B)$ Serine $(C)$ Tyrosine $(D)$ Valine