LS Topic 2, Lesson 1-3

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Across
  1. 3. "make easier" - Uses protein channels to bring sugar across the membrane.
  2. 6. Does like water.
  3. 9. Cell takes particles into the cell by changing shape and engulfing the particles
  4. 10. Cells make up these.
  5. 17. allows large particles to leave the cell
  6. 21. Has a perfect balance of salt and water inside and outside of the cell.
  7. 23. Looked at bacteria on people's teeth. Was the first to look at living cells.
  8. 24. Discovered that all plants are made of cells
  9. 25. Made up of different organs.
  10. 26. First discovered the cell
Down
  1. 1. Anton Van Leuwenhoek called bacteria ______, or small animals. .
  2. 2. The process by which molecules move from an area of higher concentration to an area of lower concentration
  3. 4. Has more salt inside the cell than outside, so it causes the cell to become swollen.
  4. 5. Diffusion across a membrane.
  5. 7. Discovered that all animals are made of cells
  6. 8. Robert Hooke looked at these cells under a microscope
  7. 11. Only allows some things to pass through and not others.
  8. 12. movement of dissolved materials across a cell membrane without using the cell’s energy
  9. 13. He said that cells came from pre-existing cells.
  10. 14. Does not like water.
  11. 15. Surrounds the cell and only lets some things into the cell.
  12. 16. Tissues make up these.
  13. 18. movement of materials across a cell membrane using cellular energy
  14. 19. Named by Robert Hooke and means "tiny rooms"
  15. 20. Allows larger molecules like sugar to pass into and out of the cell.
  16. 22. Has more salt inside the cell than outside, so water leaves and crushes the cell.