Which of the following does not use a membrane-bound molecule to facilitate the transfer of molecules across the plasma membrane?

Question

Quizplus · Accepted Answer

Simple diffusion does not involve the use of a membrane-bound molecule to facilitate the transfer of molecules across the plasma membrane. It occurs when molecules move from an area of high concentration to an area of low concentration, without the help of a membrane protein.

Which of the Following Does Not Use a Membrane-Bound Molecule