Across
- 4. One of several modes of transport that require the cell to expend energy in order to move molecules across the membrane
- 6. ER that does not have any ribosomes attached to it
- 8. Cells that contain a nucleus and membrane-bound organelles
- 13. Vesicles that contain enzymes to break stuff down,only in animal cells
- 14. The study of cells
- 15. The sticky layer that holds plant cells together
- 18. A storage "sack" in the cytoplasm that holds food or wastes
- 19. The theory that cells are the basic units of structure and function for all life
- 20. Structure in the nucleus which assembles ribosomes
- 22. Microtubules that help pull the DNA apart during cell division
- 24. Stores the DNA
- 25. The barrier around all cells which protects them from the outside world
Down
- 1. Pinched off part of the cell membrane that stores and transports substances
- 2. A type of plastid that performs photosynthesis
- 3. Cells that don't have a nucleus nor any membrane-bound organelles
- 5. Jelly-like substance the cell organelles float in, fills the inside of a cell
- 7. Units inside all cells that perform certain functions/tasks
- 9. Organelles that make proteins
- 10. A complex network of proteins that strengthen the cell and keep it from rupturing
- 11. The types of lipid that make up the cell membrane
- 12. A series of tubes and membranes that store, modify, and package the products received from the ER
- 16. A cell organelle that manufactures the cells' energy molecule, ATP
- 17. The molecule that provides energy for the cell
- 21. A protective layer that surrounds the cell membrane in plant cells
- 23. ER that has many ribosomes attached to it