Key Terms 7

3. metabolic pathway through which organisms can harness the energy of light to build organic molecules from inorganic raw materials.
5. enzyme that fixes carbon by attaching CO₂ to five carbon RuBP, or ribulose biphosphate.
6. stacks of disks that are connected by channels in the thylakoid membrane, inside the chloroplasts.
7. process by which any molecule becomes broken down by light energy.
8. an organism that makes sugars from CO₂ and H₂O, using the energy of sunlight.
9. the most common photosynthetic pigment in plants, photosynthetic protists, and cyanobacteria.
11. visible light is part of a spectrum of electromagnetic energy radiating from the sun, it goes from 400nm to 700nm
12. groups of hundreds of pigments and other molecules that work as a unit to begin reactions of photosynthesis.
13. reactions where electrons pass from one molecule of the electron transfer chain to the next.
14. packets where electromagnetic energy of light is organized.

1. an organic molecule that selectively absorbs light of specific wavelengths.
2. an organelle that specializes in photosynthesis that takes place in plants and many protists.
3. any light-driven reaction that attaches phosphate to a molecule.
4. semifluid matrix in chloroplasts.
10. the distance between the crests of two successive waves of light (measured in nm)