Biology Extra Credit

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