Across
- 4. electrons are passed to other members
- 6. a lipid containing a phosphate group
- 8. a tasteless scentless gas essential for life.
- 10. the term used for the reactions of photosynthesis
- 12. the product of the first level of photosynthesis
- 13. the variety of life in the world
- 15. a molecule that contains two oxygen atoms and one carbon
- 17. a biological catalyst and is always almost a protein
- 18. made up of hundreds to thousands of amino acids
- 19. the main type of sugar in blood
Down
- 1. chemical process where molecules like glucose ar broken down anaerobically
- 2. large biomolecule that plays an essential role in almost every cell and virus
- 3. composed of thousands of covalently bonded atoms
- 5. the source of energy for use and storage at the cellular level
- 7. a molecule that carries genetic information
- 9. it forms when the body breaks down carbs for energy
- 10. a sugar molecule
- 11. fatty waxy or oily compound
- 14. a chemical compound found in living organisms
- 16. a clean alternative to methane