Suppose That Scientists Developed a Protocell with a Membrane That

Multiple Choice

Suppose that scientists developed a protocell with a membrane that allowed all molecules to cross in or out of it.Would this membrane serve the function of a cell membrane?

A) Yes, because it would allow all molecules to cross either way.
B) Yes, because it would maintain an internal environment in the protocell similar to the external environment.
C) Yes, because it would form a complete sphere.
D) No, because it would not maintain an internal environment in the protocell that was different from the external environment.
E) No, because a cell's membrane is able to keep all molecules from moving across its border.