Photosynthesis Crossword

2. produced by reactions involving atomic or molecular changes
3. a whole formed by a union of two or more elements or parts
4. organelle in which photosynthesis takes place
6. any of green pigments found in photosynthetic organisms
8. a monosaccharide sugar that has several forms
10. the distance between crests of waves, such as those of the electromagnetic spectrum
12. an oxide containing two atoms of oxygen in the molecule
13. having cells that lack membrane-bound nuclei
17. a specialized part of a cell; analogous to an organ
19. formation of compounds in plants aided by radiant energy

1. having cells that lack membrane-bound nuclei
3. yellow and orange plant pigments that aid in photosynthesis
5. a form of electromagnetic radiation that supplies the energy for the light reactions of photosynthesis
7. a quantum, or discrete amount, of light energy
9. depending on free oxygen or air
11. organism that can capture energy from sunlight or chemicals and use it to produce its own food from inorganic compounds
14. specialized ground tissue that makes up the bulk of most leaves
15. the simplest structural unit of an element or compound
16. the totality of surrounding conditions
18. the tiny openings present on the epidermis of leaves
20. a colorless, odorless gas that is essential for respiration