The barrier between the intracellular and extracellular fluid compartments in an animal or plant is the:
A)plasma membrane.
B)walls of capillaries.
C)nuclear membrane.
D)membrane of the endoplasmic reticulum.
E)membrane of the Golgi apparatus.

Question

Quizplus · Accepted Answer

The plasma membrane is the barrier between the intracellular and extracellular fluid compartments in animal and plant cells. It regulates the movement of substances in and out of the cell and helps to maintain cellular homeostasis. The other options listed are not directly involved in separating the intracellular and extracellular compartments.

The Barrier Between the Intracellular and Extracellular Fluid Compartments in an Animal