Most transmembrane proteins have ___________ regions facing the intra- and extracellular fluid,and __________ regions embedded in the phospholipid bilayer.
A) hydrophilic;hydrophilic
B) hydrophilic;hydrophobic
C) hydrophobic;hydrophobic
D) hydrophobic;hydrophilic
E) lipophilic;lipophobic

Question

Quizplus · Accepted Answer

Transmembrane proteins have hydrophilic regions facing the intra- and extracellular fluid to interact with the aqueous environment, and hydrophobic regions embedded in the phospholipid bilayer to interact with the lipid tails of the membrane.

Most Transmembrane Proteins Have ___________ Regions Facing the Intra- and Extracellular