Protein Macromolecules Lab Report

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An investigation was performed in order to determine whether or not certain samples of food contained protein macromolecules. The experiment that we carried out had two main purposes, first to help us familiarize ourselves with the chemical and physical structures of protein molecules, and second to enable us to develop an understanding of how to use biuret reagent to detect protein molecules in food. Proteins are polymers that are made up of various combinations of amino acid (monomer) chains. There are four types of protein structures. The first type of protein structure is called the primary structure; primary structures are linked together by peptide bonds that form polypeptide chains (1). A peptide bond is a result of covalent bonding
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