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Why does casein precipitates upon the addition of acetic acid?Why is milk used as an antidote in heavy metal poisoning?Can you identify which specific amino acid/functional group providesa positive result on the following tests?a. Biuret testb. Ninhydrin testc. Denaturation testsd. Xanthoproteic test
Direction: Answer these quide questions thoroughly please and explain. Thank you so much.
Topic: Isolation and Characterization of Casein
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1 Approved Answer
Subhash P
4Ratings (5 Votes)
Proteins are primarily composed of one or more polypeptide chains. Every polypeptide chain is a polymer of amino acids, where amino acids are linked to each other via peptide bonds. Casein is a phosphoprotein found in milk. In milk, casein exist as colloidal complex of its calcium salt, called as calcium caseinate. Isoelectric point (pI) of a species is the pH at which that species is neutral ( i.e. have a net charge of...
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