Across
- 4. - molecule composed of many monomers
- 10. - attraction between molecules of the same substance
- 12. - reactant of an enzyme catalyzed reaction
- 14. - compound that prevents sharp sudden changes in PH
- 15. - elements or compounds that enter into a chemical reaction to begin
- 16. - protein catalyst that speeds up the rate of specific biological reactions
- 17. - compound that forms hydrogen ions in a solution with a PH lower then 7
- 19. - pure substance that consists entirely of 1 type of atom
- 20. energy - energy input that is needed for a reaction to begin
Down
- 1. - force of attraction between different kinds of molecules
- 2. - elements or compounds produced by chemical reactions
- 3. acid - macromolecule's containing hydrogen, oxygen, nitrogen, carbon and phosphorus
- 5. - a small chemical unit that makes up polymer
- 6. - substance that speeds up the rate of a chemical reaction
- 7. - type of mixture where all of the compoints are evenly distributed
- 8. - basic unit of a chemical element
- 9. - mixture of water and a non-dissolved material
- 11. - atom that has a positive or negative charge
- 13. acid - compound with an amino acid group on 1 end
- 18. - substance that is dissolved in a solution
