Biology for IGCSE & O level - Movement Into And Out Of Cells (Section 4 - No. 43)

What is the role of the cell membrane in osmosis?
It allows all molecules to pass through freely.
It restricts the movement of water.
It acts as a semi-permeable barrier, allowing water to pass through while restricting solute movement.
It has no direct role in osmosis.

Explanation

The cell membrane acts as a semi-permeable barrier, which controls the passage of substances in and out of the cell.

Comments (0)

Advertisement