Biology - Chapter 5

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Across
  1. 10. non-membrane bound region in prokaryotic cells that contains most of the genetic material
  2. 11. structure within cells that helps define their shape and maintains internal organization
  3. 13. fundamental model of biology that states that cells are the smallest form of life and come from preexiting cells
  4. 14. group of two or more organs that work together to perform a particular function
  5. 17. type of cell having a true nucleus as well as membrane-bound organelles
  6. 19. type of organism consisting of one cell
  7. 21. internal balance within living organisms that must be kept stable in order to maintain life
  8. 22. diffusion of water molecules through a semi-permeable membrane
  9. 23. membrane-bound region of a eukaryotic cell that contain genetic material
  10. 24. organelle that directs the protein-building process
  11. 25. thin layer of phospholipids and proteins that define the boundary of a cell
Down
  1. 1. genetic material of eukaryotic cells consisting of DNA and related proteins
  2. 2. type of feedback where the product of a process inhibits the process itself
  3. 3. structures found in the cytoplasm of cells that perform various functions to keep the cell alive
  4. 4. short, hair-like extension of a cell used for movement
  5. 5. protective coating found outside the cell walls of many bacteria
  6. 6. type of organism consisting of two or more cells whose cells cannot live independently apart from the organism
  7. 7. type of cell lacking a true nucleus and membrane-bound organelles
  8. 8. structure made of two or more tissues that work together to perform a particular function
  9. 9. type of feedback where a product of a process enhances the process itself
  10. 11. group of cells that live and work together where the cells may break away and survive on their own
  11. 12. thick fluid inside cells that contain the organelles
  12. 15. organelle found in plant cells that contains the pigment chlorophyll
  13. 16. long whip-like organelle used primarily for movement in many bacteria
  14. 18. group of cells that are specialized to perform a particular function
  15. 20. cellular organelle that contains digestive enzymes