Which of the following does NOT require the participation of a membrane protein?
A)active transport
B)exocytosis
C)facilitated diffusion
D)simple diffusion
E)all of these require a protein

Question

Quizplus · Accepted Answer

Simple diffusion does not require the participation of a membrane protein. It is a passive movement of molecules from high to low concentration through the cell membrane. Active transport, facilitated diffusion, and exocytosis all require the participation of a membrane protein.

Which of the Following Does NOT Require the Participation of a Membrane