Cells

Edit Answers
1234567891011121314151617181920
Across
  1. 2. a homogenous mixture of two or more pure substances
  2. 4. allowing materials to pass through
  3. 5. the movement of particles from an area of high to low concentration
  4. 6. allowing only certain materials to pass through
  5. 12. the smallest unit that can perform the fuctions of life
  6. 13. the diffusion of water through a seletively permeable membrane
  7. 15. having many cells
  8. 16. a substance that dissolves a solute
  9. 18. an organelle that goes through the process of photosynthesis
  10. 20. having only one cell
Down
  1. 1. a rigid structure that surrounds a plant cell
  2. 3. a protein that controls the passage of substances into or out of a cell
  3. 7. in cells, the process that releases food energy
  4. 8. allowing no materials to pass through
  5. 9. an instrument that makes objects appear larger
  6. 10. when a protein attaches to a substance and moves through a cell membrane
  7. 11. an organelle that is the "brain" of the cell
  8. 14. a substance that dissolves in a solvent
  9. 17. a jelly like substance that supports the structures of the cell
  10. 19. membrane the selectively permeable structure that surrounds a cell