Question

cell membrane
the cell membrane regulates the passage of materials in and out of the cell and provides protection for the cell. the cell membrane is essential for the survival of cells as it acts as a barrier between the cell and its external environment.
without a cell membrane, the contents of the cell would dissolve, and the cell would cease to exist. it also serves as a protective layer, shielding the cell from external forces and impacts.
what purpose does the cell membrane have in the cell?
provide protection to the cell
generate atp
let everything into the cell

Explanation:

The text states that the cell - membrane regulates material passage, acts as a barrier, and provides protection for the cell. It doesn't generate ATP (which is mainly done by mitochondria), and it doesn't let everything into the cell as it regulates passage.

Answer:

A. provide protection to the cell