Across
- 3. the end of a reaction
- 4. sugars starches
- 5. A molecule that can combine with others to form a polymer
- 7. single neulcaic acid form
- 8. the thing that starts a chemical reaction
- 14. the energy needed to activate a chemical reaction
- 15. fats
Down
- 1. A substance participating in a chemical reaction, especially a directly reacting substance present at the initiation of the reaction.
- 2. chain, longer than ones
- 4. a substance changes chemically
- 6. a single sugar
- 9. dna
- 10. causes a reaction
- 11. building blocks
- 12. a block from protein
- 13. a substance that forms things