Bio 11

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Across
  1. 4. the jelly-like fluid inside the cell that holds organelles in place
  2. 7. a complex cell with a nucleus and organelles
  3. 11. the control center of the cell that stores DNA
  4. 13. an organelle that modifies, sorts, and packages proteins and lipids
  5. 15. the first stage of mitosis where chromosomes become visible
  6. 16. the movement of molecules using energy against their concentration gradient
  7. 19. the double-layered structure that makes up the cell membrane
  8. 20. cells that build and maintain bone tissue
  9. 23. a simple cell without a nucleus, like bacteria
  10. 25. a network that helps in protein and lipid synthesis
  11. 29. a sac filled with enzymes that break down waste and old cell parts
  12. 31. the final stage of mitosis where nuclear membranes reform
  13. 34. the phase where a cell grows, carries out functions, and copies DNA
  14. 35. a principle stating that all living things are made of cells, cells are the basic unit of life, and all cells come from pre-existing cells
  15. 36. the repeating sequence of growth and division in a cell
  16. 37. unspecialized cells that can develop into different cell types
  17. 38. the movement of molecules from high concentration to low concentration
  18. 39. the ability of a membrane to allow some substances in while blocking others
Down
  1. 1. a tiny structure that makes proteins from amino acids
  2. 2. the powerhouse of the cell that produces energy (ATP)
  3. 3. specialized plant cells that open and close stomata for gas exchange
  4. 5. the stage of mitosis where sister chromatids are pulled apart to opposite sides
  5. 6. specialized cells that transmit electrical signals in the body
  6. 8. the stage of mitosis where chromosomes line up in the center of the cell
  7. 9. the diffusion of water across a selectively permeable membrane
  8. 10. a framework of fibers that gives shape, support, and movement to the cell
  9. 12. an organelle in plant cells where photosynthesis occurs
  10. 14. a specialized structure within a cell that performs a specific function
  11. 17. tiny hair-like structures that help in movement or moving substances across the surface
  12. 18. a thread-like structure of DNA that carries genetic information
  13. 21. specialized cells that contract to produce movement
  14. 22. one half of a duplicated chromosome
  15. 24. a thin barrier that controls what enters and leaves the cell
  16. 26. a large storage sac in plant cells that holds water and nutrients
  17. 27. the division of the cytoplasm to form two new cells
  18. 28. a whip-like tail that helps some cells move
  19. 30. fibers that help separate chromosomes during cell division
  20. 32. cells that carry oxygen throughout the body
  21. 33. a structure that helps organize spindle fibers during cell division
  22. 35. a rigid layer that gives plant cells structure and protection