Across
- 3. a cell with a true nucleus a cover around DNA
- 4. an example of a lipid
- 5. does not contain the element carbon
- 6. can be broken down into elements
- 7. fats, waxes, and starches
- 9. the building blocks of all life
- 10. examples oxygen hydrogen gold helium
- 11. starches and sugars
- 13. all the parts of the cell
- 16. most of the cell is made of this compound
- 18. the boss of the cell
- 19. the shape of DNA twisted ladder
Down
- 1. carbon hydrogen oxygen sulfur nitrogen
- 2. carbon hydrogen oxygen phosphorus nitrogen
- 6. door guard
- 8. an example of a carbohydrate
- 9. an example of a protein
- 12. 1 percent of a cell
- 14. found in the nucleus and passed to offspring
- 15. a compound that contains the element carbon
- 17. the shape of an animal cell