The Portion of a Transmembrane Protein That Is Embedded in the Hydrophobic

Multiple Choice

The portion of a transmembrane protein that is embedded in the hydrophobic interior of the bilayer is usually in the form of a(n) :

A) beta pleated sheet.
B) alpha helix.
C) alpha helix and beta pleated sheet combined.
D) extended polypeptide without secondary structure.
E) folded polypeptide without secondary structure.