Chapter 8 Vocabulary quiz
Across
- 4. cell organelle that converts the chemical energy stored in food into compounds that are more convenient for the cell to use
- 7. organism whose cells contain a nucleus
- 10. diffusion of water through a selectively permeable membrane
- 13. fundamental concept of biology that states that all living things are composed of cells; that cells are the basic units of structure and function in living things; and that new cells are produced from existing cells
- 14. thin, flexible barrier that surrounds all cells; regulates what enters and leaves the cell
- 15. basic unit of all forms of life
- 16. process by which particles tend to move from an area where they are more concentrated to an area where they are less concentrated
- 18. when comparing two solutions, the solution with the greater concentration of solutes
- 19. cell organelle that breaks down lipids, carbohydrates, and proteins into small molecules that can be used by the rest of the cell
- 20. organelle in cells that modifies, sorts, and packages proteins and other material from the endoplasmic reticulum for storage in the cell or release outside the cell
Down
- 1. network of protein filaments in a eukaryotic cell that gives the cell its shape and internal organization and is involved in movement
- 2. internal membrane system found in eukaryotic cells; place where lipid components of the cell membrane are assembled
- 3. unicellular organism that lacks a nucleus
- 5. organelle found in cells of plants and some other organisms that captures the energy from sunlight and converts it into chemical energy
- 6. when comparing two solutions, the solution with the lesser concentration of solutes
- 8. strong, supporting layer around the cell membrane in some cells
- 9. when the concentration of two solutions is the same
- 11. cell organelle that stores materials such as water, salts, protein, and carbohydrates
- 12. relatively constant internal physical and chemical conditions that organisms maintain
- 17. cell organelle consisting of RNA and protein found throughout the cytoplasm in a cell; the site of protein synthesis