Cellular Biology

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Across
  1. 3. organelle in which cellular respiration takes place
  2. 6. a network of membrane-bound sacs and tubules lacking ribosomes whose function is to modify and process lipids
  3. 10. the process of the cell engulfing particles by surrounding it with the plasma membrane
  4. 13. worked with schleiden and identified the nucleus as a key structure of animal cells
  5. 14. scientist that advocated all cells come from pre-existing cells
  6. 15. Hooke's term for the tiny, box-like structures he saw under a microscope
  7. 16. identified the nucleus as a key structure in plant cells
  8. 19. cells with a simpler structure, no nucleus or membrane-bound organelles
  9. 20. the network of protein filaments that provides structural support for the cell
  10. 23. location of DNA in prokaryotic cells
  11. 24. the organelle where photosynthesis takes place
  12. 25. cellular transport that moves particles against the concentration gradient from low concentration to high concentration
  13. 26. the rigid outer layer that surrounds and support plant cells (only found in plant cells)
  14. 27. cells that are more complex; DNA is housed in the nucleus
  15. 28. large organelle whose main function is primarily storage
  16. 29. the movement of particles across the cell membrane from high concentration to low concentration
Down
  1. 1. created more advanced lenses to view the first single-celled organisms
  2. 2. and example of a prokaryotic cell
  3. 4. the ability for only certain substances to pass through the cell membrane
  4. 5. the process of making proteins from DNA instructions
  5. 7. a tool used to view objects that are too small to be seen with the naked eye
  6. 8. a network of membrane-bound sacs and tubules studded with ribosomes whose function is to modify and process proteins
  7. 9. location of protein synthesis
  8. 11. location of DNA in eukaryotic cells
  9. 12. cellular transport that does not require energy in the form of ATP
  10. 17. the boundary of the cell that allows materials to pass into and out of the cell
  11. 18. discovered cells when he observed cork under a microscope
  12. 20. scientific theory stating that 1)all living things are made up of cells, 2)cells are the smallest unit of life, 3) all cells come from pre-existing cells
  13. 21. the diffusion of water across the cell membrane
  14. 22. a stack of flattened, membrane-bound sacs where proteins and lipids are packages into vesicles