Biochemistry Which one of the following is not true for an α-helix A It is one of the most important secondary structure B It has a net dipole moment C All hydrogen bonds are aligned in the same direction D Long stretches of left handed α-helices occur in proteins 💡 Explanation Which one of the following is not true for an α-helix ✓ Correct Answer: D. Long stretches of left handed α-helices occur in proteins