Cells Crossword

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Across
  1. 4. "little organs" that perform specialized functions within a cell
  2. 7. pumps made of ________________ are used in active transport to push molecules through the cell membrane
  3. 8. the scientist credited with discovering cells
  4. 10. the head of a phospholipid is ______________________
  5. 12. mosaic term that describes the cell membrane's ability to be flexible and is made of many different parts
  6. 13. the use of a protein channels to allow molecules to go through the cell membrane is called _________________ diffusion
  7. 16. cell transport that requires energy
  8. 17. the scientific technology that allowed for the discovery of cells
  9. 19. converts the chemical energy in food into energy cells can use
  10. 21. diffusion of water
  11. 22. all _____________ things are made of cells
  12. 23. cell membranes are made of a _____________________ bilayer
  13. 25. cell transport that does not require energy
  14. 27. makes proteins
  15. 30. the "brain" of the cell; makes ribosomes
  16. 31. membrane organelle that controls what goes in and out of the cell in all cells
  17. 32. passive movement of molecules straight through the cell membrane
  18. 33. active transport involving pushing large materials out
  19. 34. photosynthesis happens in this organelle
  20. 35. transport materials in the cell
Down
  1. 1. new cells are produced from ______________ cells
  2. 2. the smaller, less complex category of cell (ex: bacteria)
  3. 3. cell membranes have selective ______________________
  4. 5. the tails of a phospholipid are _____________________
  5. 6. apparatus modifies, sorts, and packages proteins and lipids to be used in the cell/organism
  6. 9. active transport involving taking large materials in
  7. 11. cells are the basic unit of ____________
  8. 14. the larger, more complex category of cell (ex: plant, animal, fungi)
  9. 15. reticulum there are two types, one has ribosomes on its surface and the other does not
  10. 18. jelly-like substance in the cell
  11. 20. the specimen that Hooke looked at and saw "tiny rooms"
  12. 24. molecules like to move from high to low _________________________
  13. 26. animals have many smaller versions of this organelle, plants have one large one
  14. 28. breaks down waste and old organelles
  15. 29. wall rigid organelle that helps protect certain types of cells