1) Cell membrane control which substance pass into it out of a cell
2) lipid bilayer
3) protein = facilitate molecule movement across membrane
Carbohydrate = used for identification for a cell (allow cells to identify one another)
Cell wall
4) plants and bacteria
5) false
6) Cell Wall = give the cell strength and structure, and to filter molecules that pass in and out of the cell.
7) cellulose
Diffusion through cell boundary
8) the amount of one material in a certain volume of above material
9) the spontaneous spreading of molecule and ions
10) can’t really read it.. homeostasis?