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Hello students, in this question we are being given the characteristics and we have to tell to which amino acid they belong and we have to write the one letter symbol for that amino acid.
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The first one is responsible for majority of protein uv absorbance at 280 nanometer.
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It is a tryptophan and it is one letter symbol is w.
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Second is can readily act as an acid or a base at ph 7.
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It is a histidine and is one letter symbol is h.
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Third one is side chains contain two 2 methylenes and an amide group is a glutamine represented as q.
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Fourth one is hydroxyl containing side chain nearly the same shape as valine.
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It is the threonine represented as t.
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Fifth one is only non -chiral amino acids, a glycine represented as g.
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Sixth one is side chain contains one ch2 group and pka is 4.
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It is the aspartate represented as d.
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Seventh statement is aromatic side chain with a hydroxyl group.
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It is the tyrosine represented as t.
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Eighth one is isomeric with isoleucine.
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It is the leucine represented as l.
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Ninth one is cross -links polypeptides in the presence of oxygen.
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It is the cysteine represented as c...