Q
how are amino acids class
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Amino acids, the building blocks of proteins, are classified based on the characteristics of their side chains (R-groups). They are broadly divided into four categories: nonpolar (hydrophobic), polar (hydrophilic) but uncharged, acidic (negatively charged), and basic (positively charged). The classification is crucial for understanding the protein structure and function, as it influences how amino acids interact with each other and with their environment. For example, hydrophobic amino acids tend to be located in the interior of proteins, stabilizing the structure by avoiding water. In contrast, hydrophilic amino acids are typically found on the surface, interacting with the aqueous environment. Acidic and basic amino acids often play key roles in enzyme activity and substrate binding through charge interactions.
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