... . Proteins are capable of a wide variety of functions and activities. This is due to the great variety of structures. Proteins are polymers of amino acids known as polypeptides. These amino acids are the structural building blocks of proteins. Amino acids have a single carbon linked to: an amino group, a carboxylic acid group and a side chain. These side chains vary in structure and determine the chemical properties of the ... amino acids. Each protein has a unique and highly ordered structure that is highly specific with the molecules it interacts with ... ...

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