Question

Which of the following is a function of cell membrane?

• A. It is a physical barrier between environment and cell contents.
• B. Regulates exchange of materials with the surrounding.
• C. Absorb molecules by engulfing them.
• D. All of the above.

Answer 1

The correct option is D All of the above.

The cell membrane is also known as plasma membrane. It is the outermost wall in the animal cell and placed next to cell wall in the plant cell. It separates the cellular contents, from the surrounding fluids and regulates the entry and exit of molecules of the cell. It also plays an important role in engulfing the contents, by the process of endocytosis.
So, the correct answer is option D.