Amino acids containing a heterocyclic ring ar | vedclass

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(A) The structures of the given amino acids are as follows:$1$. Histidine contains an imidazole ring,which is a heterocyclic ring.$2$. Valine is an al

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$(i)$,$(iv)$

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(A) The structures of the given amino acids are as follows:$1$. Histidine contains an imidazole ring,which is a heterocyclic ring.$2$. Valine is an aliphatic amino acid with an isopropyl side chain.$3$. Arginine contains a guanidino group in its side chain,which is not a heterocyclic ring.$4$. Proline contains a pyrrolidine ring,which is a heterocyclic ring.Therefore,both Histidine $(i)$ and Proline $(iv)$ contain heterocyclic rings.

Amino acids containing a heterocyclic ring are:
$(i)$ Histidine
$(ii)$ Valine
$(iii)$ Arginine
$(iv)$ Proline

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Amino acids containing a heterocyclic ring are:$(i)$ Histidine$(ii)$ Valine$(iii)$ Arginine$(iv)$ Proline