MDCAT Biology MCQ #944

A protein chemist observes the formation of an alpha-helix. This secondary structure is primarily stabilized by which type of chemical bond?

MDCAT Biology MCQ #944

  1. Question 1

    Q1. A protein chemist observes the formation of an alpha-helix. This secondary structure is primarily stabilized by which type of chemical bond?

    • A) Disulfide bridges
    • B) Ionic bonds
    • C) Hydrogen bonds
    • D) Hydrophobic interactions

    Answer: Hydrogen bonds

    Explanation: Secondary structure is stabilized by hydrogen bonds between amino and carboxyl groups of the backbone, not the R-groups.