Biology

The plasma membrane (also called the cell membrane) is responsible for controlling the movement of materials such as nutrients, ions, gases, and waste products in and out of the cell. It is selectively permeable, meaning it allows some substances to pass while blocking others, thus maintaining the cell’s internal environment.

For A: This is incorrect. The plasma membrane does not store energy. Energy storage primarily occurs in molecules like glucose (in the cytoplasm) or in specialized organelles like the...