Across
- 3. organ system that includes the lungs
- 5. body system that includes veins and arteries
- 7. made up of the amino acid building blocks
- 8. diffusion/movement of water
- 12. broken down into glucose in the body
- 13. system that holds up the body
- 15. pairs with thymine
- 16. double helix
- 18. nonvital organ
- 19. transport that does not require energy
Down
- 1. only found in RNA
- 2. heads are
- 4. movement of particles from high concentration to low concentration
- 6. Tails are
- 9. organ system that includes the stomach
- 10. membrane bound nucleus
- 11. contains Uracil
- 14. body system that includes the brain
- 15. used to allow molecules through carriers
- 17. pairs with cytosine