When the concentration of molecules on both sides of a membrane is the same, the molecules will?

Question

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. Molecules are in constant motion. Once an equilibrium has been reached this motion does not stop.

Answer 2

c
but it also depends on what type of molecule...
if it is a molecule like glucose which is in great demand then it would be actively transport

Answer 3

c

Answer 4

e. stop trying to cheat on their take-home exam.