Question

2. Which of the following best explains why the cell membrane is described as selectively permeable?

* A. 
Substances are not allowed into the cell.
* B. 
Substances diffuse freely in and out of the cell.
* C. 
Some substances pass into the cell while others cannot.
* D. 
Some substances can move into the cell but not out of the cell.

Answer 1

C

Step-by-step explanation:

because the selectively permeable membrane allows some substances to pass while others not.