The cell membrane is----- because it controls movement of particles that move in or out of the cell.
2. When particles move across the cell membrane without using energy this is called -----.
3. In a hypertonic solution, the size of the cell -----
4. In a hypotonic solution, the size of the cell -----
5. Humans------ organisms.
1. Selectively permeable
2. Passive transport
3. Shrinks
4. Swells
5. Are multicellular