The variation in amino acids is due to which | vedclass

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Question

(B) An amino acid is an organic compound containing an amino group $(-NH_2)$,a carboxyl group $(-COOH)$,a hydrogen atom $(-H)$,and a variable side cha

Vedclass · Accepted Answer

$R$ group

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(B) An amino acid is an organic compound containing an amino group $(-NH_2)$,a carboxyl group $(-COOH)$,a hydrogen atom $(-H)$,and a variable side chain ($-R$ group) attached to a central alpha-carbon atom.While the amino group,carboxyl group,and hydrogen atom are common to all amino acids,the chemical nature of the $R$ group varies among different amino acids.This $R$ group determines the specific properties of each amino acid,such as its size,charge,and hydrophobicity,leading to the diversity observed in amino acids.

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

Column-$I$ (Protein)	Column-$II$ (Function)
$P$. Collagen	$I$. Hormone
$Q$. Trypsin	$II$. Sensory receptor
$R$. Insulin	$III$. Fights infectious agents
$S$. Antibody	$IV$. Enzyme
$T$. Receptor	$V$. Intercellular ground substance
$U$. $GLUT-4$	$VI$. Enables glucose transport into cells

The variation in amino acids is due to which of the following groups?

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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

Which of the following amino acids contains a polar and negatively charged $R$ group?

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