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Chapter 19 delves into the structure and function of amino acids, the fundamental units of proteins. It explores their chemical properties, classification, and how they link together to form polypeptides through peptide bonds. The chapter also highlights the importance of proteins in biological processes, enzyme function, and cellular structure. With a focus on the 20 standard amino acids, it discusses essential vs. non-essential amino acids and their roles in nutrition and metabolism. This comprehensive overview equips readers with essential knowledge about proteins' significance in living organisms.
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