Chapter 8 Crossword

1234567891011121314151617181920212223242526272829303132
Across
  1. 2. cell organelle that stores materials such as water, salts, proteins, and carbohydrates
  2. 4. cell organelle consisting of RNA and protein found throughout the cytoplasm in a cell; the site of protein synthesis
  3. 8. process by which particles tend to move from an area where they are more concentrated to an area where they are less concentrated
  4. 10. when comparing two solutions, the solution with the greater concentration of solutes
  5. 11. water channel protein in a cell
  6. 12. specialized structure that performs important cellular functions within a eukaryotic cell
  7. 16. unicellular organism that lacks a nucleus
  8. 17. Wall - strong, supporting layer around the cell membrane in some cells
  9. 19. basic unit of all forms of life
  10. 22. organelle found in cells of plants and some other organisms that captures the energy from sunlight and converts it into chemical energy
  11. 23. in cells, structure that contains the cell's genetic material in the form of DNA
  12. 24. group of organs that work together to perform a specific function
  13. 25. group of similar cells that perform a particular function
  14. 27. property of biological membranes that allows some substances to pass across it while others cannot; also called semipermeable membrane
  15. 30. cell organelle that converts the chemical energy stored in food into compounds that are more convenient for the cell to use
  16. 31. diffusion of water through a selectively permeable membrane
  17. 32. on or in a cell, a specific protein to whose shape fits that of a specific molecular messenger, such as a hormone
Down
  1. 1. organism whose cells contain a nucleus
  2. 3. organelle in cells that modifies, sorts, and packages proteins and other materials from the endoplasmic reticulum for storage in the cell or release outside the cell
  3. 5. when comparing two solutions, the solution with the lesser concentration of solutes
  4. 6. group of tissues that work together to perform closely related functions
  5. 7. pressure that must be applied to prevent osmotic movement across a selectively permeable membrane
  6. 9. when the concentration of two solutions is the same
  7. 13. internal membrane system found in eukaryotic cells; place where lipid components of the cell membrane are assembled
  8. 14. fluid portion of the cell outside the nucleus
  9. 15. 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
  10. 18. cell organelle that breaks down lipids, carbohydrates, and proteins into small molecules that can used by the rest of the cell
  11. 20. network of protein filaments in a eukaryotic cell that gives the cell its shape and internal organization and is involved in movement
  12. 21. process of diffusion in which molecules pass across the membrane through cell membrane channels
  13. 26. relatively constant internal physical and chemical conditions that organisms maintain
  14. 28. thin, flexible barrier that surrounds all cells; regulates what enters and leaves the cell
  15. 29. flexible double-layered sheet that makes up the cell membrane and forms a barrier between the cell and its surroundings