contestada

The cell membrane _____.

only allows materials to enter a cell

separates the cell from the external environment

is made of a single layer of lipids and phosphorous molecules

is only present in eukaryotic cells

Respuesta :

The answer to fill in the blank would be B) because the cell membrane doesn't ONLY allow material to enter, it also allows it to exit and C) and D) aren't correct either.
jermeriagirl

Answer:

The answer is b .

Explanation: