Across
- 4. (two words) the breaking and forming of bonds between different substances during chemical changes
- 7. main function is short-term energy storage
- 10. Endothermic reactions ______ energy
- 11. large organic molecules that make up all living things
- 12. (two words) the amount of energy needed to make a chemical reaction start
- 13. where we find nucleic acids
- 15. substances that are made by a chemical reaction
- 16. the number of phosphate groups in ATP
- 19. (two words) the macromolecule we get from our parents
Down
- 1. functions include insulation, protection, and structure
- 2. (two words)where a reactant binds to an enzyme
- 3. a special lipid with a hydrophilic head and hydrophobic tail
- 5. the substances that are changed during a chemical reaction
- 6. exothermic reactions _____ energy
- 8. the number of levels to protein structures
- 9. macromolecule that has no main function
- 11. polymers are made out of _______
- 14. Adenosine Triphosphate is also known as what?
- 17. proteins that speed up chemical reactions
- 18. a reaction with an enzyme needs ______ activation energy