In An $\alpha$ Helical Protein That Spans a Cell Membrane, _____ Would Likely

Multiple Choice

In an $\alpha$ helical protein that spans a cell membrane, _____ would likely be in the center of the membrane, _____ would likely be associated with the polar head groups, and _____ would likely be associated with the aqueous environment.

A) Trp; Asn; Ala
B) Leu; Gln; Asp
C) Tyr; Glu; Gly
D) Ile; Arg; Gln
E) Val; Ser; Thr