BIOLOGY HONORS

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Across
  1. 5. Respiration/the process that releases energy by breaking down food molecules in the presence of oxygen.
  2. 7. process that molecules tend to from an area where they are more concentrated to an area where they are less concentrated.
  3. 9. energy from food molecules in the absence of oxygen.
  4. 11. of the principal chemical compounds that living things use to store energy.
  5. 13. not require oxygen.
  6. 14. energy from the foods they consume (animals).
  7. 15. principle pigment.
  8. 16. region out the thylakoid membranes.
  9. 18. gather the suns energy with light-absorbing molecules.
  10. 19. photosynthetic membranes.
Down
  1. 1. first stage of cellular respiration.
  2. 2. second stage of cellular respiration.
  3. 3. Reactions/requires light.
  4. 4. their own food (plants).
  5. 6. water molecules to pass easily through most biological membranes.
  6. 8. use the energy of sunlight to convert water and carbon dioxide into oxygen and high-energy carbohydrates.
  7. 10. Calvin Cycle/uses ATP and NADPH from the light-dependent reactions to produce high-energy sugars.
  8. 12. oxygen.
  9. 17. Synthase/protein that membranes contain.
  10. 20. Transport Chain/the third stage of cellular respiration.