a.Biuret test
b. Ninhydrin test
c. Xanthoproteic test
What tests could you use to determine whether an unlabeled test tube contained an amino acid or a protein?
biuret detects peptide bonds-present in proteins, not in single amino acids
ninhydrin tests for amine groups, present in both proteins and amino acids, so it's not a good choice
i have no clue what xanthoproetic is, but regardless, biuret works just fine.
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