Biomolecules

Biomolecules

Question

Biuret test is not given by 

  • proteins

  • carbohydrates

  • polypeptides

  • urea

Answer

B.

carbohydrates

Biuret test is given by the compounds having peptide bond which is not present in carbohydrate.  Biuret Test produces violet colour on addition of dilute  CuSO4 to an alkaline solution of a compound containing peptide linkage.

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