Across
- 3. – A mineral your body needs to make haemoglobin.
- 6. acid – Molecules like DNA and RNA that store genetic information.
- 9. material – DNA or RNA that carries hereditary information.
- 12. – A simple sugar the body uses for energy.
- 13. – A protein that speeds up chemical reactions in the body.
- 17. – The stored form of glucose in animals.
- 18. – The green pigment plants use to capture sunlight.
- 19. – A chemical that plants use to help them grow.
- 21. system – The body system that carries messages using nerves.
- 22. – A spongy protective layer on some plants.
- 23. wall – The stiff outer layer that supports plant cells.
- 25. tissue – The body’s fat-storing and cushioning tissue.
- 28. reserve – Stored energy in the body, such as fat or glycogen.
- 29. – A phosphorus-containing chemical important for bones and energy.
- 32. hormone – The hormone that helps the body grow.
- 33. – The blood protein that carries oxygen.
Down
- 1. – A fat molecule that forms cell membranes.
- 2. acid (RNA) – A molecule that helps make proteins using DNA’s instructions.
- 4. – The stored form of glucose in plants.
- 5. – A very small germ that can make living things sick.
- 6. – A gas in the air that plants use to make proteins.
- 7. – A mineral needed for strong bones and teeth.
- 8. – A molecule needed for life, such as proteins or DNA.
- 10. – A type of fat stored for energy.
- 11. – A strong material found in plant cell walls.
- 14. information – Instructions in DNA that guide growth.
- 15. – A chemical that controls body functions like mood or metabolism.
- 16. Theory – The idea that all living things are made of cells.
- 20. – A protein the body makes to fight infection.
- 24. – A mineral important for bones and muscles.
- 26. – A tiny organism that causes disease.
- 27. – A natural substance your body needs to stay healthy.
- 30. – The molecule that carries genetic instructions.
- 31. membrane – The thin outer layer that controls what enters or leaves a cell.
- 34. – The tough outer covering of a tree trunk.
