Across
- 6. natural substances composed large molecules
- 10. attraction of molecules for the same kind
- 11. speeds up or slows down a chemical reaction
- 13. two or more elements combined together
- 14. attraction of molecules of different kind
- 15. basic part of a whole
- 17. smallest unit of matter
- 18. biomolecules that are used to store energy
Down
- 1. a protein that is a biological catalyst
- 2. group of atoms bonded together
- 3. can dissolve other molecules and compounds
- 4. amount of heat needed to raise temp by 1
- 5. homogenous mixture
- 7. made up of molecules called amino acids
- 8. organisms main source of energy
- 9. biomolecules containing H, O, N, & C
- 12. building blocks of proteins
- 16. atoms or small molecules that bond together