Helical segments of protein molecules arise through hydrogen bonding between C=O and N-H groups.

Name: Helical segments of protein molecules arise through hydrogen bonding between C=O and N-H groups.
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Helical segments, also known as alpha helices, in proteins are formed by hydrogen bonding between the carbonyl group (C=O) of one amino acid and the amino group (N-H) of an amino acid four residues down the polypeptide chain. This pattern of hydrogen bonding stabilizes the helical structure.

Helical Segments of Protein Molecules Arise Through Hydrogen Bonding Between