Homework, Chapter 7, keyterms

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Across
  1. 2. fixes carbon by attaching CO2 to five carbon RUBP, or ribulose biphosphate.
  2. 5. the process by which any molecule becomes broken down by light energy.
  3. 6. coenzyme that accepts electrons and hydrogen ions.
  4. 8. in photosynthetic cells, a cluster of pigments and proteins that converts light energy to chemical energy in photosynthesis.
  5. 9. the semi-fluid matrix; site of light-independent photosynthesis reactions.
  6. 11. main photosynthetic pigment in plants, algae, and cyanobacteria.
  7. 14. the electromagnetic energy of light is organized in packets called____________.
Down
  1. 1. accessory pigment that trap light.
  2. 3. distance between the crests of two successive waves of radiant energy.
  3. 4. they passed from one molecule of the electron transfer chain to the next.
  4. 7. organelle of photosynthesis in plants and some protists.
  5. 8. the metabolic pathway by which photoautotrophs capture light energy and use it to make sugars from CO2 and water.
  6. 10. a chloroplast's inner membrane system, often folded as flattened sacs.
  7. 12. an organic molecule that absorbs light of certain wavelengths.
  8. 13. the main energy carrier between reactions sites in cells.