Which statement correctly completes the state | vedclass

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$(b)$ Amino acids which combine into peptide chains to form the building blocks  of a rest array of proteins are all $L-$ stereoisomers (lef

Vedclass · Accepted Answer

have the $L$ configuration at their $\alpha$ carbon

Vedclass · Answer

$(b)$ Amino acids which combine into peptide chains to form the building blocks  of a rest array of proteins are all $L-$ stereoisomers (left handed) 
Glycine                                $NH_2 - CH_2 - COOH$

$L$-Amino acid                   $\begin{matrix}
   N{{H}_{2}}-CH-COOH  \
   |\,\,\,\,\,\,\,\,\,\,  \
   R\,\,\,\,\,\,\,\,\,\,  \
\end{matrix}$

Which statement correctly completes the statement ?
Except for glycine, which is achiral, all the amino acids present in proteins ......

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