Across
- 1. keeping everything in balance
- 4. pushing a bolder down a hill
- 5. very large molecule that's important to biology
- 7. pairs with adenine
- 11. pairs with cytosine
- 13. raspatory system (2 of them)
- 15. pairs with guanine
- 16. molecules that bond to produce protein
- 17. opposite of RNA
Down
- 1. organ that keeps you alive
- 2. male and female reproductive organs
- 3. building blocks of amino acid
- 5. group of atoms that have bonded together
- 6. one strand of DNA
- 8. pairs with thymine
- 9. makes RNA and DNA
- 10. pushing a bolder up a hill
- 12. fatty acids
- 14. bones in your body
- 15. sugar molecules