An alpha helix that crosses a lipid bilayer is held together

An alpha helix that crosses a lipid bilayer is held together by:

A. hydrophobic interactions

B. hydrogen bonds parallel to the helix

C. hydrogen bonds perpendicular to the helix

D. hydrogen bonds between R groups

E. interactions with the lipid bilayer

Solution

Answer would be option A. hydrophobic interaction

The hydrophobic interactions favours among phospholipids and glycolipids.