Across
- 4. releases energy from food carbohydrates sugar molecules
- 10. first stage
- 11. what does cellular respiration require
- 12. flow of energy in living cells.
- 13. equation for cellular res.
- 14. changes food into energy
- 16. another word for breaking down
- 18. the act or process of breathing
- 19. what does cellular res. supply
- 20. second stage
Down
- 1. release of food in presence of oxygen
- 2. third stage
- 3. transfer energy to cells
- 5. electron transport chain
- 6. phosphate group is added to a molecule
- 7. is the main type of sugar
- 8. what do organisms need to survive
- 9. oxygen is used to make energy from carb
- 15. what is a calorie
- 17. without oxygen and releases less energy