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