Which mechanism enables substances to move through the cell membrane from a region of higher concentration to a region of lower concentration without any energy expenditure?

Question

Quizplus · Accepted Answer

Simple diffusion enables substances to move through the cell membrane from a region of higher concentration to a region of lower concentration without any energy expenditure. This is due to the random movement of molecules, which eventually leads to an even distribution across the membrane.

Which Mechanism Enables Substances to Move Through the Cell Membrane