Homework, Chapter 7, keyterms

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Across
  1. 2. an organic molecule that absorbs light of certain wavelengths.
  2. 4. in photosynthetic cells, a cluster of pigments and proteins that converts light energy to chemical energy in photosynthesis.
  3. 5. Fixes carbon by attaching CO2 to five carbon RuBP, or ribusebiphosphate.
  4. 8. main photosynthetic pigment in plants, algae, and cyanobacteria.
  5. 9. the electromagnetic energy of light is organized in packets called_____________.
  6. 10. distance between crests of two successive waves of radiant energy.
  7. 12. the process by which any molecule becomes broken down by light energy.
  8. 13. accessory pigments that trap light.
Down
  1. 1. they passed from one molecule of the electron transfer chain to the next. They released bit of their extra energy
  2. 3. a chloroplast's inner membrane system. In the first stage of photosynthesis, pigments and enzymes in the membrane function in the formation of ATP and NADPH.
  3. 4. the metabolic pathway by which photoautotrophs capture light energy and use it to make sugars from CO2 and water.
  4. 6. the main energy carrier between reactions sites in cells.
  5. 7. the semi-fluid matrix in the chloroplast; site of light-independent photosynthesis reaction.
  6. 8. organelle of photosynthesis with two outer membranes that enclose a semi-fluid.
  7. 11. coenzyme that accepts electrons and hydrogen ions.