Across
- 2. All living things depend on a source of
- 6. Macromolecule that is needed for the body to maintain growth and repair
- 11. composed of C,H,O,N
- 12. Responsible for capturing and transferring chemical energy
- 13. Catalytic proteins
- 14. Atoms that dont have the same numbers of neutrons that they carry
- 16. Binding of molecules that obtain different substances
- 19. the basic components of matter
- 20. The process of molecules sticking together
Down
- 1. Used to store and release energy
- 3. Elements that engage in chemical reactions
- 4. Linked together by covalent bonds
- 5. the center of the atom
- 7. This occurs when a substance is dissolved into a solution
- 8. Element that has a positive charge
- 9. Lipids monomer
- 10. A neutral atom that has no charge
- 15. The substance that is the dissolvent when creating a solution
- 17. Element that has a negative charge
- 18. What changes the element or atom?