Across
- 3. Element found in some amino acids
- 7. Substance formed in a reaction
- 8. Molecule made of amino acids
- 11. Major source of cellular energy
- 12. Fat-based biological molecule
- 13. Substance being dissolved
- 15. Starting substance in a reaction
Down
- 1. Substance that increases reaction rate
- 2. Substance that dissolves another
- 4. DNA or RNA molecule
- 5. Element found in ATP and DNA
- 6. Lightest chemical element
- 9. Element required for cellular respiration
- 10. Element important in proteins and DNA
- 13. Homogeneous mixture
- 14. Protein that speeds up reactions