Ch. 5 Introduction to Cells 1-2 (6)
Across
- 2. A rigid layer surrounding the cells of plants.
- 3. These do not exist in animal cells and are responsible for making leaves green.
- 5. A cell __________ controls what goes into and out of a cell.
- 8. These produce proteins.
- 10. The cells of ___________ do not have cell walls.
- 12. This tool was invented around the year 1590.
- 14. Thin strands of material that fill the cell's nucleus.
- 15. A cell wall is made out of ______.
- 20. The basic units of structure and function in living things.
- 22. This makes ribosomes.
- 23. All cells are produced from _______________.
- 24. This person (last name only) is credited as the first to see living cells.
Down
- 1. To find a microscope's magnification power you multiply the strength of the lens in the eye piece by the strength of the __________.
- 4. These are a cell's recycling center.
- 6. This converts energy from food into energy the cell can use.
- 7. A thick, gel-like fluid in a cell.
- 9. This acts like a cell's warehouse.
- 11. The control center of the cell.
- 13. These are tiny particles that are smaller than atoms.
- 14. The theory that explains the relationship between cells and living things.
- 16. What does the word cell mean.
- 17. These are the cells structures.
- 18. All organisms are made of these.
- 19. These water filled sacs inside a cell are absent from some animal's cells.
- 21. The prefix "magni-" means __________ or large.