Biology
Across
- 3. is the secretion of materials through the plasma membrane from inside to outside
- 6. is the process by which a cell's membrane surrounds the particles that come from outside
- 8. transportation from low concentration to the high concentration
Down
- 1. transportation from high concentration to low concentration
- 2. when the concentration of the solute inside is higher than outside
- 4. is a kind of transportation that requires a transport protein
- 5. when the concentration of the solute outside is higher than inside
- 7. is the diffusion of water