Biochemistry Which one of the following statement is NOT TRUE for an a-helix structure of a protein? A It is one of the most impoant 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 a-helices occur in proteins π‘ Explanation Which one of the following statement is NOT TRUE for an a-helix structure of a protein? β Correct Answer: D. Long stretches of left handed a-helices occur in proteins