Essential Protein Tests in Biochemistry

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This guide explores protein testing, detailing the purpose and framework of identifying proteins through selective color reactions. It outlines core tests such as Biuret, Lead sulfide, and Xanthoproteic, which confirm peptide bonds and detect specific amino acids. Additionally, specialized tests like Millon–Nasse, Sakaguchi, Ninhydrin, and Hopkins–Cole are discussed for their ability to identify tyrosine, arginine, and tryptophan. The goal is to connect these tests with their respective amino...