What shared property of α helices and β sheets favors the formation of these structures in membrane spanning domains of a protein?
A) Hydrogen bonding between backbone atoms reduces the polarity of the backbone.
B) Only hydrophobic residues are found in these types of secondary structures.
C) Alternating side-chains protrude from opposite sides of these structures allowing favorable interactions with the membrane.
D) All of the above.
E) None of the above.