Chapter 3 Review
Across
- 4. Diffusion of water
- 6. These two words describe the cell membrane as being "picky" about what it lets in
- 9. This in in plant cells and converts energy from the sun
- 10. DNA is one of these organic compounds
- 12. this inorganic compound makes up most of the cytoplasm and does many important jobs for the cell
- 13. Powerhouse of the cell
- 15. the storage tank of a cell
- 16. A single celled organism
- 17. This organic compound provides energy and makes up the cell wall and cell membrane
- 20. Packing center for the cell, distributes what is made
Down
- 1. This organic compound is energy for later use
- 2. This organic compound speeds up chemical reactions and makes up organelles
- 3. This type of transport movement requires energy
- 5. Holds the DNA
- 7. This controls what enters and leaves the cell
- 8. A many celled organism
- 11. This surrounds the cell membrane in plant cells and animal cells do not have one
- 14. Invention that led to the discovery of cells
- 17. This states that all living things are made of cells, that cells are the basic unit of all life, and that cells are produced from other cells
- 18. These produce proteins
- 19. Movement of molecules from an area of higher concentration to an area of lower concentration