MDCAT Biology MCQ #866

In the formation of an alpha helix, hydrogen bonds form between the oxygen of a carbonyl group and the hydrogen of an amino group. How many amino acids apart are these groups?

MDCAT Biology MCQ #866

  1. Question 1

    Q1. In the formation of an alpha helix, hydrogen bonds form between the oxygen of a carbonyl group and the hydrogen of an amino group. How many amino acids apart are these groups?

    • A) Two
    • B) Four
    • C) Six
    • D) Eight

    Answer: Four

    Explanation: In an alpha helix, the hydrogen bond forms between the C=O of one amino acid and the N-H of the fourth amino acid down.