Which of the following statements about the ionic permeability of cell membranes is false?

Which of the following statements about the ionic permeability of cell membranes is false?

Which of the following statements about the ionic permeability of cell membranes is false?



  1. The permeability of some ions can be very low.
  2. The permeability of some ions can change over time.
  3. In resting nerve cells, the membrane is quite permeable to potassium.
  4. In resting nerve cells, the membrane is quite permeable to sodium.
  5. All of the above statements are true. 




Answer: 4