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Amino acids are the fundamental building blocks of proteins, which are essential molecules of life. Each amino acid has a general structure composed of a central carbon atom known as the alpha carbon. This alpha carbon is covalently bonded to four distinct groups. The first group is an amino group (–NH₂), which provides the basic character of the molecule. ___ _________ _______ _________ _______ ______ _____ ________.
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