Transmembrane proteins that make up enzymes in the plasma membrane are made up of hydrophilic and hydrophobic regions.Most amino acids embedded in the membrane are , while most amino acids facing the extracellular fluid are .
A)hydrophilic; hydrophilic
B)hydrophilic; hydrophobic
C)hydrophobic; hydrophobic
D)hydrophobic; hydrophilic
E)lipophilic; lipophobic

Question

Quizplus · Accepted Answer

Amino acids embedded in the membrane are hydrophobic to interact with the lipid bilayer, while those facing the extracellular fluid are hydrophilic to interact with the aqueous environment.

Transmembrane Proteins That Make Up Enzymes in the Plasma Membrane