cells review

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Across
  1. 2. basic structural and functional units of animal tissues and organs.
  2. 3. an organism or part) having or consisting of many cells.
  3. 5. smallest unit that can live on its own
  4. 9. system,a group of organs that work together to perform a complex function.
  5. 10. usually round part of most cells that is enclosed in a double membrane.
  6. 11. the basic unit of all plants.
  7. 13. plastid that contains chlorophyll and in which photosynthesis takes place.
  8. 14. result for osmosis definition
  9. 16. a part of an organism that is typically self-contained and has a specific vital function, such as the heart or liver in humans.
  10. 17. semifluid substance of a cell that is external to the nuclear membrane and internal to the cellular membrane.
  11. 19. resulting from random motion of molecules by which there is a net flow of matter from a region of high concentration to a region of low concentration.
Down
  1. 1. or consisting of a single cell unicellular microorganisms.
  2. 4. nonliving permeable wall that surrounds the plasma membrane
  3. 6. individual animal, plant, or single-celled life form.
  4. 7. vacuole is a membrane-bound cell organelle.
  5. 8. is the net movement of solvent molecules through a semipermeable membrane
  6. 12. the semipermeable membrane surrounding the cytoplasm of a cell.
  7. 15. that generate most of the chemical energy needed to power the cell's biochemical reactions.
  8. 18. any of the distinct types of material of which animals or plants are made, consisting of specialized cells and their products.
  9. 20. theory, The cell theory states that all biological organisms are composed of cells.