Chapter 7: Photosynthesis

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Across
  1. 2. Reaction in which light energy breaks down a molecule.
  2. 5. Adenosine triphosphate, nucleotide that consists of an adenine base, the five carbon sugar ribose, and three phosphate groups. Main energy carrier between reaction sites in cells.
  3. 6. Cluster of pigments and proteins that, as a unit, converts light energy into photosynthesis.
  4. 7. An organic molecule that absorbs light of certain wavelengths.
  5. 8. A chloroplast's inner membrane system, often folded as flattened sacs that form a continuous compartment in the stroma.
  6. 10. Any light-driven phosphorylation reaction.
  7. 11. They make their own food by using the environment.
  8. 12. Distance between crests of two successive waves of radiant energy.
Down
  1. 1. The semifluid matrix between the thylakoid membrane and the two outer membranes of a chloroplast, site of light-independent photosynthesis reaction.
  2. 2. Makes sugars from carbon dioxide and water (sunlight energy)
  3. 3. Packets where electromagnetic energy of light is organized.
  4. 4. Organelle of photosynthesis in plants and some protist.
  5. 6. The metabolic pathway by which photoautotrophs capture light energy, and use it to make sugars from carbon dioxide and water.
  6. 9. Main photosynthetic pigments in plants, algae, and cyanobacteria.
  7. 13. Coenzymes that accept electons and hydrogen ions.