Across
- 4. The net movement of water molecules through a partially permeable membrane from higher to lower water potential
- 7. Describes a solution with a higher solute concentration than the solution being compared
- 11. The organelle where aerobic respiration occurs
- 12. Contains genetic material and controls cell activities
- 15. The substance that makes up plant cell walls
- 16. The total area of the outer surface of an object
- 18. Describes a membrane that allows some substances to pass through but not others
- 21. A large fluid-filled structure containing cell sap in plant cells
- 22. The organelle containing chlorophyll for photosynthesis
- 23. A group of cells with similar structures working together
- 24. An invertebrate with jointed legs and an exoskeleton
- 25. A difference in concentration between two regions
Down
- 1. The net movement of particles from a region of higher concentration to lower concentration
- 2. Image size divided by actual size
- 3. A specialised cell that transmits electrical impulses
- 5. A group of organisms that can reproduce to produce fertile offspring
- 6. Describes two solutions with equal effective solute concentration
- 8. The site of protein synthesis
- 9. An animal with a backbone
- 10. Movement of particles against a concentration gradient using energy from respiration
- 13. When a plant cell membrane pulls away from the cell wall due to water loss
- 14. Describes a plant cell that is firm and swollen after gaining water
- 17. The chemical reactions in cells that release energy from nutrients
- 19. Removal of waste products of metabolism and substances in excess of requirements
- 20. The two-part scientific naming system for organisms