Cellular respiration

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Across
  1. 2. resporation controlled release of energy
  2. 6. Electron transfer chain
  3. 8. releases energy from food in absence of O2
  4. 13. chemical compound for oxygen
  5. 14. found in bread, potatoes etc...
  6. 15. chemical compound for water
  7. 18. converts glucose into pyruvic acid
  8. 20. breathing
Down
  1. 1. respiration does not require O2
  2. 3. chemical addition of a phosphoryl group
  3. 4. all animals need it to stay alive
  4. 5. requires O2
  5. 7. sugar
  6. 9. adenosine diphosphate
  7. 10. breakdown of calories
  8. 11. stores energy
  9. 12. where organisms get theyre energy
  10. 16. unit of energy
  11. 17. chemical compound for carbon dioxide
  12. 19. energy