1.

Which one of the following structure represents the peptide chain

Answer»

`-overset(H)overset(|)(N)-overset(|)underset(|)(C)-underset(O)underset(||)(C)-overset(H)overset(|)(N)-overset(|)underset(|)(C)-underset(O)underset(||)(C)-overset(H)overset(|)(N)-overset(|)underset(|)(C)-overset(O)overset(||)(C)-`
`-overset(H)overset(|)(N)-overset(|)underset(|)(C)-overset(|)underset(|)(C)-overset(O)overset(||)(C)-underset(H)underset(|)(N)-overset(|)underset(|)(C)-overset(|)underset(|)(C)-overset(H)overset(|)(N)-underset(O) underset(||)(C)-overset(|)underset(|)(C)-overset(|)underset(|)(C)-`
`-overset(H)overset(|)(N)-underset(O)underset(||)(C)-underset(H)underset(|)(N)-overset(|)underset(|)(C)-NH-overset(O)overset(||)(C)-NH-`
`-overset(H)overset(|)(N)-underset(O)underset(||)(C)-overset(|)underset(|)(C)-overset(|)underset(|)(C)-overset(|)underset(|)(C)-overset(H)overset(|)(N)-overset(|)underset(|)(C)-overset(|)underset(|)(C)-overset(|)underset(|)(C)-`

Solution :In peptide LINKAGE i.e.,. -CONH -group , the carboxyl group of one amino acid molecules forms an amide by combination with the amino group of the next amino acid molecule with the liberation of water molecule


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