Chapter 8 Vocabulary quiz

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