chapter 10 vocab. crossword puzzle
Across
- 2. contains fats and oils
- 6. a covalent compound made up of many small, repeating units linked together in a chain
- 8. contains the element carbon
- 10. contains a double or triple bonds
- 11. in all living organisms
- 13. used by cells to store and release energy
- 14. molecules that contain only carbon and hydrogen atoms
Down
- 1. R.N.A OR D.N.A
- 3. has a positive and a negative end
- 4. contains only single covalent bonds
- 5. a molecule that shares electrons equally and does not have oppositely charged ends
- 7. member of a class of organic compounds
- 9. a small molecule that forms a link in a polymer chain
- 11. l mass of all living matter
- 12. group of atoms that replaces a hydrogen atom in organic compounds