Cells

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Across
  1. 3. Requires the cell to use energy in order to move molecules across the membrane
  2. 5. A rigid structure found in only plant cells
  3. 7. When concentrations are equal
  4. 10. The energy required to start a reaction
  5. 12. A network of fibers that hold the cell together
  6. 13. The process of making molecules using absorbed molecules
  7. 14. An organelle that holds the main DNA of the cell
  8. 17. A structure in the nucleus that assembles ribosomes
  9. 18. The movement of molecules from higher concentration to lower concentration
  10. 20. The study of cells
  11. 21. A solution whose concentration of solute is the same as inside the cell
  12. 22. The theory that cells are the basic units of structure and function for all life
  13. 23. A jelly-like substance that protects cell organelles inside the cell membrane
  14. 24. Cells that do not have a nucleus or any membrane bound organelles
  15. 25. An organelle that is only found in animal cells, and is responsible for hydrolysis reactions
Down
  1. 1. A solution whose concentration of solute is lower than inside the cell
  2. 2. Molecules that do not dissolve in water
  3. 4. The barrier around all cells that protects them from the outside world
  4. 6. A non-membrane bound organelle that is responsible for protein synthesis
  5. 8. A solution whose concentration has a higher concentration of solute than inside the cell
  6. 9. Does not require the cell to use energy
  7. 11. A membrane bound pouch
  8. 15. Cells that have a nucleus and membrane bound organelles
  9. 16. An organelle that converts nutrients into energy
  10. 19. Molecules that do not dissolve in water