An essential element of the alpha-helical structure of proteins is
A) disulfide bonds.
B) hydrogen bonds perpendicular to the axis.
C) salt links.
D) hydrogen bonds randomly placed.
E) hydrogen bonds parallel to the axis.

Question

Quizplus · Accepted Answer

Hydrogen bonds in the alpha-helical structure of proteins are parallel to the axis of the helix. These bonds form between the carbonyl oxygen of one amino acid and the amide hydrogen of another, stabilizing the helical structure.

An Essential Element of the Alpha-Helical Structure of Proteins Is