Question

which is a function of the cell membrane? performs photosynthesis controls what enters and leaves the cell produces proteins provides energy to the cell

Explanation:

The cell - membrane is a selectively permeable barrier. It regulates the movement of substances in and out of the cell. Photosynthesis occurs in chloroplasts, protein production is mainly in ribosomes, and energy - providing organelles are mitochondria.

Answer:

controls what enters and leaves the cell