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Question
Biuret test is given by :
Biuret test is given by :
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Solution
The correct option is D Proteins
Biuret test is used to check the presence of the peptide bond.
A. Carbohydrates are molecules consisting of carbon, hydrogen, and oxygen atoms. They are a significant food source and a key type of vitality for most creatures. Since there is no amide linkage in carbohydrates, they do not give this test.
B. The polypeptide chain is a chain of amino acids linked together by peptide bonds. As there is an amide linkage present in polypeptides so it will give biuret test.
C. Urea is an organic compound with the formulae CO[NH2]2. Urea on heating form biuret which has peptide bond so it gives positive biuret test.
D. Proteins: Proteins are large macromolecule consisting of one or more chains of amino acids. The amino acids are linked by peptide bonds. Hence, it gives positive biuret test.
Biuret test is used to check the presence of the peptide bond.
A. Carbohydrates are molecules consisting of carbon, hydrogen, and oxygen atoms. They are a significant food source and a key type of vitality for most creatures. Since there is no amide linkage in carbohydrates, they do not give this test.
B. The polypeptide chain is a chain of amino acids linked together by peptide bonds. As there is an amide linkage present in polypeptides so it will give biuret test.
C. Urea is an organic compound with the formulae CO[NH2]2. Urea on heating form biuret which has peptide bond so it gives positive biuret test.
D. Proteins: Proteins are large macromolecule consisting of one or more chains of amino acids. The amino acids are linked by peptide bonds. Hence, it gives positive biuret test.
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