Valine is an amino acid of which type?

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Question

(A) Amino acids are organic compounds containing an amino group $(-NH_2)$ and a carboxylic acid group $(-COOH)$ attached to the same carbon atom,which

Vedclass · Accepted Answer

$\alpha-AA$

Vedclass · Answer

(A) Amino acids are organic compounds containing an amino group $(-NH_2)$ and a carboxylic acid group $(-COOH)$ attached to the same carbon atom,which is known as the $\alpha$-carbon.In proteins,all amino acids are $\alpha$-amino acids because the amino group is attached to the $\alpha$-carbon atom.Valine is a standard proteinogenic amino acid,and therefore,it is an $\alpha$-amino acid.

Column-$I$ (Type of Amino Acid)	Column-$II$ (Example)
$(A)$ Polar and uncharged $R$ group	$(i)$ Methionine
$(B)$ Non-polar $R$ group	$(ii)$ Glutamic acid
$(C)$ Polar and negatively charged $R$ group	$(iii)$ Lysine
$(D)$ Polar and positively charged $R$ group	$(iv)$ Cysteine

Similar Questions

How many types of amino acids are found in living organisms?

Which group is present at the $N$-terminal of a polypeptide chain?

Which groups are structurally common in various amino acids?

$A$: Amino acids are amphoteric in nature.
$R$: Amino acids act as electrolytes in solution.

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