Question

Plasma membrane controls

• A. Passage of H₂O
• B. Passage of water and some solutes into and out of the cell
• C. Passage of water and solutes into the cell
• D. Passage of cell contents out of the cell

Answer 1

The correct option is B

Passage of water and some solutes into and out of the cell

The correct option is B.

Explanation of the correct option:

1. The plasma membrane is a selectively permeable membrane that allows free passage of water and some solutes in and out of the cell.
2. The Plasma membrane is a lipid bilayer made up of lipid and proteins.
3. The accepted model of the plasma membrane is the fluid mosaic model.

Final answer: Plasma membrane controls the passage of water and some solutes into and out of the cell