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(C) The classification of amino acids based on their $R$ groups is as follows:$(1)$ Non-polar $R$ group: Tryptophan $(d)$ is a non-polar amino acid du

Vedclass · Accepted Answer

$(1-d), (2-c), (3-b), (4-a)$

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(C) The classification of amino acids based on their $R$ groups is as follows:$(1)$ Non-polar $R$ group: Tryptophan $(d)$ is a non-polar amino acid due to its hydrophobic indole ring.$(2)$ Polar positive $R$ group: Histidine $(c)$ contains an imidazole ring that can be protonated, making it positively charged at physiological $pH$.$(3)$ Polar negative $R$ group: Glutamic acid $(b)$ contains a carboxylic acid group in its side chain, which ionizes to a negative charge.$(4)$ Polar uncharged $R$ group: Tyrosine $(a)$ contains a hydroxyl group, making it polar but uncharged at neutral $pH$.Therefore, the correct matching is $(1-d), (2-c), (3-b), (4-a)$.

List-$I$	List-$II$
$(1)$ Non-polar $R$ group	$(a)$ Tyrosine
$(2)$ Polar positive $R$ group	$(b)$ Glutamic acid
$(3)$ Polar negative $R$ group	$(c)$ Histidine
$(4)$ Polar uncharged $R$ group	$(d)$ Tryptophan

Select the correct option for the following matches:
List-$I$ List-$II$
$(1)$ Non-polar $R$ group $(a)$ Tyrosine
$(2)$ Polar positive $R$ group $(b)$ Glutamic acid
$(3)$ Polar negative $R$ group $(c)$ Histidine
$(4)$ Polar uncharged $R$ group $(d)$ Tryptophan

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Select the correct option for the following matches:List-$I$List-$II$$(1)$ Non-polar $R$ group$(a)$ Tyrosine$(2)$ Polar positive $R$ group$(b)$ Glutamic acid$(3)$ Polar negative $R$ group$(c)$ Histidine$(4)$ Polar uncharged $R$ group$(d)$ Tryptophan