>Amino Acid</th> <th>pKa</th> </tr> <tr> <td>Asparagine</td> <td>9.39</td> </tr> <tr> <td>Glutamine</td> <td>8.80</td> </tr> <tr> <td>Proline</td> <td>9.13</td> </tr> <tr> <td>Aspartic Acid</td> <td>10.6</td> </tr> <tr> <td>Glutamic Acid</td> <td>9.67</td> </tr> <tr> <td>Histidine</td> <td>6.0</td> </tr> <tr> <td>Cysteine</td> <td>10.78</td> </tr> <tr> <td>Tyrosine</td> <td>9.11</td> </tr> <tr> <td>Lysine</td> <td>10.53</td> </tr> <tr> <td>Arginine</td> <td>12.48</td> </tr> </table> <h3>Conclusion</h3> <p>Understanding amino acids, their structures, properties, and interactions is fundamental to biochemistry and molecular biology. Their roles in protein synthesis, enzymatic functions, and physiological processes underscore their importance in living organisms.</p>