Which of the following best describes the importance of the cell membrane?

A. It creates more cytoplasm when the cell needs it.
B. It keeps water from entering or leaving the cell.
C. It holds the DNA inside the cell's nucleus.
D. It helps materials move in and out of the cell.

Question

Which of the following best describes the importance of the cell membrane?


	A.	It creates more cytoplasm when the cell needs it.
	B.	It keeps water from entering or leaving the cell.
	C.	It holds the DNA inside the cell's nucleus.
	D.	It helps materials move in and out of the cell.

anonymous · Answer

http://en.wikipedia.org/wiki/Cell_membrane It helps materials move in and out of the cell.