cells

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Across
  1. 3. gas that diffuses into a cell
  2. 7. the site of chemical reactions in a cell
  3. 8. substance that diffuses into a cell
  4. 9. the site of photosynthesis
  5. 11. the movement of substances from a high concentration to low
Down
  1. 1. ___ dioxide - gas that diffuses out of a cell
  2. 2. the tail in a bacterial cell
  3. 3. the movement of water
  4. 4. the cell ____ controls what enters and exits the cell
  5. 5. the cell _____ supports the cell
  6. 6. Controls the cells activities
  7. 10. diffusion occurs from a ____ to low concentration