Life Science Choice Board Chpt 4 BKE Loperbey 11/051/26

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Across
  1. 4. regular sequence of growth and division that cells undergo
  2. 6. half of a chromosome
  3. 7. cytoplasm divides
  4. 9. movement of small particles across a membrane
  5. 10. movement of water across a membrane
  6. 11. uses energy to move particles across a membrane from low to high concentration
  7. 13. large particles leave (exit) the cell
  8. 14. process plants use sunlight,carbon dioxide,water making own food
Down
  1. 1. green pigment in chloroplasts
  2. 2. breaking down sugar without using oxygen
  3. 3. tiny structure made of DNA
  4. 5. cell’s nucleus divides into two new nuclei
  5. 7. respiration cells use oxygen to break down sugar to release energy
  6. 8. large particles enter the cell
  7. 12. particles move across a membrane without using energy