science

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Across
  1. 3. mainly composed of water, salts, and proteins
  2. 4. plants grow
  3. 5. a microscope
  4. 7. provide structure for the body, take in nutrients from food, convert those nutrients into energy
  5. 8. subcellular structure that has one or more specific jobs performed in the cell.
  6. 9. It can be tough, flexible, and sometimes rigid
  7. 10. of a microscope.
  8. 11. light
  9. 13. Chemical reaction that happens in all cells
  10. 14. of photosynthesis
  11. 17. plants use sunlight, water, and carbon dioxide to create oxygen and energy
  12. 19. Sugar substitute
Down
  1. 1. small and help sequester waste products
  2. 2. an organelle within the cells of plants and certain algae that is the site of photosynthesis
  3. 6. comes out when you breath out
  4. 7. found in all cells and separates the interior of the cell from the outside environment.
  5. 12. a membrane-bound organelle that contains the cell's chromosomes. Pores in the nuclear membrane
  6. 15. generate most of the chemical energy needed to power the cell's biochemical reactions
  7. 16. Helps people breath
  8. 18. scientist