Question

Cells have a selectively permeable

membrane. What is the primary purpose of this membrane?
A.)to keep all the cytoplasm inside the cell
B.)to control which materials enter and
leave the cell
C.)to allow photosynthesis
D.)to manufacture proteins​

Answer 1

B.) to control what materials enter and leave the cell

Answer 2

B

Step-by-step explanation:

a membrane's purpose is to protect by controlling what enters or leaves the cell