When dilute H_2SO_4 is added to an alkaline s | vedclass

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Question

(A) The test described is the $Biuret$ test. In the $Biuret$ test,when a protein solution is treated with an alkaline solution of copper sulfate $(CuS

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Biuret test

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(A) The test described is the $Biuret$ test. In the $Biuret$ test,when a protein solution is treated with an alkaline solution of copper sulfate $(CuSO_4)$,a violet or purple color is produced. This color is due to the formation of a coordination complex between $Cu^{2+}$ ions and the peptide bonds in the protein. Therefore,the correct option is $A$.

$(A)$. Serine	$(B)$. Cysteine
$(C)$. Lysine	$(D)$. Methionine

When dilute $H_2SO_4$ is added to an alkaline solution of protein,a violet color is obtained. What is this test called?

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