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how will u identify which one of the given 2 test tube
contains protein solution or which one contains DNA solution
without using any instrument?
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Answer Posted / muni kumar
Buiret test
Buiret solution is a blue liquid that changes to purple
when proteins are present and to pink in the presence of
short chains of polypeptides. The copper atom of the biuret
solution reacts with the peptide bonds to cause the color
change.
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