Movement Through Membranes

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Across
  1. 4. taking materials into a cell with energy
  2. 5. removal of materials from a cell
  3. 8. what the cell membrane is made of
  4. 9. diffusion of water
  5. 10. type of vacuole that removes water from unicellular organisms
  6. 12. equal concentrations
  7. 18. type of transport that does NOT require energy
  8. 19. groups of cells working together for a specific function
  9. 20. type of transport that DOES require energy
  10. 21. basic units of life
Down
  1. 1. type of diffusion that occurs with help from proteins
  2. 2. the energy needed for active transport
  3. 3. movement of molecules from high to low concentration
  4. 6. groups of tissues working together
  5. 7. lower concentration than the cell
  6. 11. what pumps in the cell membrance are made of
  7. 13. an example of a system
  8. 14. what happens to a cell placed in very salty water
  9. 15. an example of an organ
  10. 16. higher concentration than the cell
  11. 17. one-celled