Across
- 2. -OH group replaces a hydrogen atom
- 5. DNA and RNA
- 8. made from monomers of amino acids
- 10. hydrocarbon that contains a single or double bond
- 11. compound that contains the element carbon
- 12. a large molecule made up of monomers
- 13. growing plants for fuel
Down
- 1. hydrocarbons with only single bonds
- 3. made up of only hydrogen and carbon atoms
- 4. compound with at least one H atom replaced
- 6. fats and oils
- 7. same formulas but different molecular structures
- 9. a compound that has a scent