Unit 2 Bilogy

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Across
  1. 1. Movement of molecules across a membrane using energy (ATP)
  2. 6. Rigid outer layer providing structure and support in plants, fungi, and bacteria
  3. 7. Process by which unspecialized cells become specialized in structure and function
  4. 10. Eukaryotic cell without a cell wall or chloroplasts
  5. 11. The green pigment that captures sunlight for photosynthesis
  6. 15. Organelle that modifies, sorts, and packages proteins and lipids
  7. 16. Cancerous tumor that invades nearby tissues
  8. 18. The process where water moves across a selectively permeable membrane
  9. 20. Organelle network with ribosomes on its surface for protein synthesis
  10. 21. Division of the cytoplasm following mitosis
  11. 23. Proteins that regulate the timing of the cell cycle
  12. 24. Stage of the cell cycle when DNA is copied
  13. 27. Uncontrolled cell growth and division
  14. 28. Cell with a nucleus and membrane-bound organelles
  15. 29. Scientist who said all animals are made of cells
  16. 31. Undifferentiated cell that can develop into many specialized cell types
  17. 33. Network of protein filaments giving cells shape and movement
  18. 37. Eukaryotic cell with a cell wall, chloroplasts, and large central vacuole
  19. 40. Organelle that stores genetic material and controls cell activities
  20. 42. The concept stating all living things are made of cells, which are the basic unit of life, and all cells come from preexisting cells
  21. 43. Short hairlike projections that move substances across the cell surface
Down
  1. 1. Programmed cell death that removes damaged or unnecessary cells
  2. 2. Large storage organelle in plant cells that maintains turgor pressure
  3. 3. Noncancerous tumor that does not spread
  4. 4. Spread of cancer cells to other parts of the body
  5. 5. Fluid interior of the cell where organelles are suspended
  6. 8. Protein-making organelle; can be free or attached to the rough ER
  7. 9. Diffusion of molecules through transport proteins without energy
  8. 12. Organelle that helps organize spindle fibers during cell division
  9. 13. Organelle that digests worn-out parts and cellular waste
  10. 14. Scientist who said all plants are made of cells
  11. 17. Stage of mitosis where sister chromatids separate to opposite poles
  12. 19. Final phase of mitosis where nuclei reform around chromosomes
  13. 22. Flexible barrier that controls what enters and leaves a cell
  14. 25. Stage of mitosis where chromosomes line up along the cell’s equator
  15. 26. Organelle that produces ATP through cellular respiration
  16. 30. Organelle where ribosomal RNA is made
  17. 32. Organelle where photosynthesis occurs in plant cells
  18. 34. Specialized structures within a cell that perform specific functions
  19. 35. Scientist who proposed cells come from preexisting cells
  20. 36. Long whip-like structure used for cell movement
  21. 38. Organelle involved in lipid synthesis and detoxification
  22. 39. Simple cell without a nucleus or membrane-bound organelles
  23. 41. Proteins that regulate cell cycle checkpoints