Which of the following types of biochemical bonds is responsible for the stability of the alpha helix structure in proteins?

A Hydrogen bonds ✓
B Disulfide bonds
C Peptide bonds
D Ionic bonds

Explanation

Hydrogen bonds between the carbonyl oxygen and the amide hydrogen of adjacent turns of the helix are responsible for stabilizing the alpha helix structure in proteins.

Source

Alberts Molecular Biology of the Cell
Fundamentals of Biochemistry Biochemistry Protein Structure Easy MEDICAL Confidence: high