The cell membrane is important because:
A) it controls the amount of water in the cell.
B) it regulates the concentration of salts on two sides of the membrane.
C) it controls the amount of water in the cell and regulates the concentration of salts on two sides of the membrane.
D) it forms myelin sheaths in the cell.

Question

Quizplus · Accepted Answer

The cell membrane has multiple functions, including controlling the amount of water present in the cell and regulating the concentration of salts on either side of the membrane. Option D is incorrect, as myelin sheaths are formed by specialized cells called oligodendrocytes in the nervous system and Schwann cells in the peripheral nervous system, not the cell membrane.

The Cell Membrane Is Important Because