JCECE Medical JCECE Medical Solved Paper-2015

  • question_answer
    Proteins when heated with conc. \[\text{HN}{{\text{O}}_{\text{3}}}\]give yellow colour. This is known as

    A)  Hoppes test

    B)  acid-base test

    C)  Biurets test

    D)  Xanthoprotic test

    Correct Answer: D

    Solution :

     Protein  \[HN{{O}_{3}}\xrightarrow{\Delta }\]yellow colour This test is called xanthoprotic test. It is given by those proteins which consists of a-amino acid containing benzene ring, e.g., tyrosine.


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