Across
- 2. powerhouse of the cell
- 4. green pigment involved in photosynthesis
- 7. undergoes change during reaction
- 9. compound made with 2 hydrogens and one oxygen
- 10. another word for sugar
Down
- 1. the basic structures of all living organisms
- 3. makes up 21% of the atmosphere
- 5. is a process plants use to turn light into energy
- 6. substances after a biological process has occurred
- 8. is produced as a byproduct of cellular respiration
