| Across |
| 1. | The word that means requires oxygen is... |
| 4. | How many ATP are produced during ElectronTransport? |
| 6. | What did Hans Krebs discover? |
| 8. | When oxygen is not present, it is know as... |
| 11. | Where does Krebs Cycle take place? |
| 12. | Who received a Nobel Prize for their discovery? |
| 13. | What does ATP stand for? |
| 14. | What is the first stage of cellular respiration? |
| 15. | What is fermentation called in muscle cells? |
| 16. | How many ATP are produced during Krebs Cycle? |
| 18. | What is energy currency used by all cells? |
| 19. | What is the third stage of cellular respiartion? |
| 20. | Glucose split into two molecules of Pyruvic Acid and... |