photosynthesis

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Across
  1. 3. yellow and orange plant pigments that aid in photosynthesis
  2. 6. a green pigment found in the chloroplasts of plants, algae, and some bacteria
  3. 8. instrument that measures index of light reflection
  4. 9. the steps in photosynthesis that occur on the thylakoid membranes of the chloroplast and that convert solar energy to the chemical energy of ATP and NADPH, evolving oxygen in the process.
  5. 10. enzyme that catalyzes the first step of the Calvin cycle
Down
  1. 1. a quantum, or discrete amount, of light energy.
  2. 2. the small openings on the undersides of most leaves through which oxygen and carbon dioxide can move
  3. 4. the range of a pigment's ability to absorb various wavelengths of light.
  4. 5. light-collecting units of the chloroplast
  5. 7. process by which plants and some other organisms use light energy to convert water and carbon dioxide into oxygen and high-energy carbohydrates such as sugars and starches