Cell membranes do all of the following EXCEPT
A) isolate the cellʹs contents from the external environment.
B) regulate the movement of substances between the cytoplasm of the cell and the extracellular fluid.
C) provide attachments between cells.
D) allow communication between cells.
E) provide an energy source for the cell.

Question

Quizplus · Accepted Answer

Cell membranes do not provide an energy source for the cell. Their primary functions include isolating the cell's contents from the external environment, regulating substance movement, providing attachments between cells, and allowing cell communication. Energy production is mainly the role of organelles like mitochondria in eukaryotic cells.

Cell Membranes Do All of the Following EXCEPT