Question

B.4B 5. When the concentration of molecules on both sides of a membrane is the

same, the molecules will -- *
A. Move across the membrane to the outside of the cell.
B. Stop moving across the membrane.
C. Move across the membrane in both directions.
D. Move across the membrane to the inside of the cell.

Answer 1

C

During diffusion, when the concentration of molecules on both sides of a membrane is the same, the molecules will continue to move across the membrane in both directions