Biochemistry Quiz
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AMINO ACIDS, PROTEINS & STRUCTURE
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A researcher synthesizes two dipeptides: Ala-Pro and Pro-Ala. Both peptides are dissolved in water at pH 7.0 and analyzed by 1H NMR spectroscopy. Compared to Pro-Ala, the Ala-Pro dipeptide shows significantly broader NMR peaks for the proline residue. What is the most likely explanation for this observation?
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