Across
- 4. Sugar used in respiration.
- 6. Plant cell that transports sucrose.
- 8. Hormone released when blood sugar is high.
- 9. The bottom chambers of the heart.
- 12. Supplies blood to the right atrium.
- 13. Molecule made of a single subunit eg glucose
- 15. Brings the impulse to the effector.
- 16. Travels along neurones.
- 17. Plant cell that transports water.
- 18. Monomer from which proteins are made.
- 21. Part of a cell where DNA is stored.
- 22. Site of aerobic respiration in a cell.
- 24. Speeds up the rate of chemical reactions.
- 25. Turns blue/black in the presence of starch.
Down
- 1. Green pigment that absorbs light energy for photosynthesis.
- 2. Oxygen binding pigment found in red blood cells.
- 3. Molecule that fits into the active site of an enzyme.
- 5. Neurone found in the spinal cord.
- 7. Polymer of glucose found in cells.
- 10. Transmits the impulse from a receptor to the spinal cord.
- 11. Automatic response to a stimulus.
- 14. The release of water vapour from the leaves of a plant.
- 19. Polymer of glucose formed in response to insulin.
- 20. The diffusion of water.
- 23. Gas released by photosynthesis