Question

organelle k
organelle o
organelle i
what is the purpose of the cell membrane? *
to make protein
to regulate what enters the cell
to protect the dna
to digest waste material

Explanation:

The cell - membrane is a selectively permeable barrier. Its main function is to control the movement of substances in and out of the cell. Protein synthesis occurs in ribosomes, DNA protection is mainly the function of the nucleus, and waste - material digestion is done by lysosomes.

Answer:

to regulate what enters the cell