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Certain amino acids stand out for their unique properties. In this video, you'll learn more about what makes histidine, proline, glycine, and cysteine unique. By Tracy Kovach. Created by Tracy Kim Kovach. Watch the next lesson: https://www.khanacademy.org/test-prep/mcat/chemical-processes/amino-acids-peptides-proteins-5d/v/amino-acid-structure ...
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