Across
- 3. smallest unit of an element
- 5. one of the most abundant elements in organism
- 7. made of oxygen and hydrogen molecules
- 11. chemical name for salt
- 13. used in the production of proteins
- 14. Substance that cannot be broken down
- 16. made up of multiple elements
- 17. doesn't contain carbon
Down
- 1. energy-rich organic compound
- 2. genetic material inherited from parents
- 4. smaller protein molecules
- 6. a type of protein that speeds up chemical reaction
- 8. contains carbon
- 9. cell storage for energy
- 10. large organic molecules of carbon, oxygen etc
- 12. smallest unit of compounds
- 15. an example of a carbohydrate