Which of the solutions is a positive control? Which is a negative control?
Biology Proteins: Biuret test. Proteins are made of amino acids, each of which has an amino group (-NH2), a carboxyl (acid) group (-COOH), and a variable side chain. A peptide bond forms between the amino group of one amino acid and the carboxyl group of an adjacent amino acid. Proteins are identified by a Biuret […]