The cell membrane
A) determines onset of cell division.
B) regulates movement of substances within the cytoplasm.
C) helps maintain a constant internal environment.
D) provides useful energy for the cell.
E) maintains genetic information within the cell.

Question

Quizplus · Accepted Answer

The cell membrane is primarily responsible for regulating the movement of substances in and out of the cell, thereby helping to maintain a constant internal environment, a process known as homeostasis.

The Cell Membrane