Answer:
Its D, The cell membrane(also known a the plasma membrane) has a job in which it has to allow passage in and out of the cell. Therefore it can prevent harmful substances from entering the cell. Think of it as security, either allowing you access or denying you depending on if you're a threat
Your answer is D
Biology is my best subject
Answer:
the first one is right ik this i did it give brainliest please
Explanation:
