What is the purpose of the cell membrane?
1- to only be found in a plant cell.
2- to separate organelles.
3- to link multicellular organisms.
4- to provide a pathway for nutrients to move in the cell.

I'll do the first one for you. it isn't very hard at all.on number one, you have (50 × 3), which equals 150, and (3 × 3), which equals 9. after you establish that, you add 150 and 9 together. so, (150 + 9) equals 159.this means that 53 × 3 = 159.