Unit 2 Biology

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Across
  1. 3. the process and organism, usually plants, uses to convert sunlight, water, and carbon dioxide into food.
  2. 5. converts chemical energy stored in food into compounds that are more usable for the cell; site of cellular respiration
  3. 6. known as citric acid cycle; produces 2 ATP and 6 NADH
  4. 7. large complexes of proteins and pigments that are used to harvest light
  5. 11. known as the calvin cycle; takes place in the stroma
  6. 12. site of calvin cycle (dark reaction)
  7. 13. organism that does not require O2
  8. 15. releases energy by breaking down food molecules; takes place in plants and animals
  9. 17. site of light dependent reactions
  10. 18. first step in the breakdown of glucose to extract energy for cellular metabolism
  11. 19. Made up of adenosine, 5 carbon sugar and 3 phosphate groups
  12. 20. light-absorbing molecules
Down
  1. 1. “solar energy plant” converts sunlight into chemical energy in a process called photosynthesis; found only in plants
  2. 2. chemical breakdown of a substance by bacteria or yeasts
  3. 4. uses light energy to make two molecules needed for the next stage of photosynthesis
  4. 8. Function is to shuttle electrons from NADH and FADH2
  5. 9. organism that requires O2
  6. 10. stack of thylakoids
  7. 14. sugar
  8. 16. Made up of adenosine, 5 carbon sugar and 2 phosphate groups