Question

Amino acids can be classified as α–, β–, γ–, δ– and so on depending upon the relative position of amino group with respect to carboxyl group. Which type of amino acids form polypetide chain in proteins?

Answer 1

α-amino acids,

\[\begin{array}{cc}
\ce{R - CH - COOH}\\
|\phantom{.......}\\
\ce{NH2}\phantom{....}
\end{array}\]