Across
- 2. linking monomers to form polymers
- 4. does not contain carbon
- 6. left side of the equation
- 7. does not require energy
- 9. atoms with extra neutrons
- 10. atoms in carbohydrates
- 11. the number of valence electrons in carbon
- 13. protein catalyst
Down
- 1. two atoms share electrons
- 3. moves from high concentration to low concentration
- 5. subatomic particle with no charge
- 7. subatomic particle that identifies the atom
- 8. disaccharide
- 9. atoms that gain or lose electrons
- 12. nucleic acid