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    Biology A-Level

    Biuret test for proteins

    What Biuret test for proteins means in Biology A-Level, as defined for OCR.

    Definition of Biuret test for proteins

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    Reference: OCR

    Add an equal volume of biuret solution to the sample; a purple colour indicates peptide bonds, so protein is present, while blue is negative.
    OCR · Biological molecules (study guide)

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