Biology Chapter 5 Crossword Puzzle

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Across
  1. 2. when a substance causes a process to speed up
  2. 5. the internal balance of a system that keeps conditions stable
  3. 9. post office of the cell
  4. 11. the movement of molecules across a membrane while not using chemical energy
  5. 12. powerhouse of the cell
  6. 13. when a substance causes a process to slow down
  7. 14. a type of vacuole
  8. 16. the general material of the nucleus
  9. 17. found inside chloroplasts
  10. 18. cells are organized into
  11. 20. the parts inside a cell
  12. 24. the solution that is less concentrated than the cytoplasm of the cell
  13. 28. an organism with cells that contain membrane-surrounded cells
  14. 31. breaks down toxic substances in liver cells
  15. 32. extension of the cytoskeleton
  16. 34. area of nucleus where ribosomes are assembled
  17. 35. tissues that work together to perform a specific function
  18. 36. when cells and the solution they are in have the same concentration of solutes
  19. 39. hydrophilic and hydrophobic layers of a lipid
  20. 40. cells come only from other preexisting cells
  21. 41. protects the cell
  22. 43. a type of pigmented plastid
  23. 44. studded with ribosomes
Down
  1. 1. a system of fibers that help maintain the cell's shape
  2. 3. consists of everything in thprokaryotesane except the nucleus
  3. 4. extension of the cytoskeleton
  4. 6. an organism whose organelles lack surrounding membranes
  5. 7. the water pressure inside the central vacoule
  6. 8. an organism made of only one cell
  7. 10. made of 2 or more cells
  8. 15. molecules move through the cell membrane with the help of transport proteins
  9. 19. builds parts for the cytoskeleton
  10. 21. a solution that is more concentrated than the cytoplasm of a cell
  11. 22. control center of the cell
  12. 23. found in eukaryotes and prokaryotes
  13. 25. the diffusion of a solvent
  14. 26. found mostly in plants
  15. 27. the movement of molecules across a membrane using chemical energy
  16. 29. surrounds each cell
  17. 30. contains pores for materials to pass through
  18. 33. a type of colorless plastid
  19. 37. found in prokaryotes
  20. 38. a group of organs that work together
  21. 42. when unicellular organisms work together