Explain Test for protien.
Answers
Take a small quantity of food sample in a test tube, add 10 drops of water to it and shake the test tube, after that add two drops of solution of copper sulphate and ten drops of caustic soda. A violet colour indicates presence of protein in the food sample
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Proteins are large biological molecules consisting of one or more chains of amino acids. Proteins perform a vast array of functions within living organisms, including catalyzing metabolic reactions,replicating DNA,responding to stimuli ,and transporting molecules from one location to another. Proteins differ from one another primarily in their sequence of amino acids, which is dictated by the nucleotide sequence of their genes, and which usually results infolding of the protein into a specific three -dimensional structure that determines its activity.