Question

what does \semipermeable\ mean? (0:30)
a. allows everything in and out of the cell
b. allows some things but not all in and out of the cell
c. does not allow anything in or out of the cell

Explanation:

A semi - permeable membrane in biology only permits certain substances to pass through it, not all. It controls the movement of materials in and out of a cell.

Answer:

B. Allows some things but not all in and out of the cell