CELL

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Across
  1. 1. organelle that packages and transport materials out of the cell
  2. 3. dark area inside the nucleus that stores materials that will be used to make ribosomes
  3. 5. the cell's delivery system (abbr.)
  4. 7. the cell of plants and algae have a hard _____ _____ made up of cellulose
  5. 9. sacs that contain materials in a eukaryotic cell
  6. 12. scientist who first describes cells
  7. 13. organelle that break down sugar to produce energy
  8. 16. a group of similar cells that perform a common function
  9. 17. a combination of two or more tissues working together to perform a specific job in the body
  10. 18. scientific description of all living things in terms of cells
  11. 21. a single ______ has everything necessary to carry out life's activities
  12. 22. describe an organism that exists as a group of cells
  13. 23. energy-converting organelle found in plant and algae cells
  14. 24. organelle containing digestive enzymes
  15. 26. cells that have a nucleus and membrane-bound organelles
Down
  1. 2. a large vesicle that stores enzymes or liquids
  2. 4. the world's smallest cells
  3. 6. barrier between the inside of a cell and its environment
  4. 8. organelles that make proteins
  5. 10. substance that stores energy released by mitochondria
  6. 11. kind of cell that does not have a nucleus
  7. 14. a structure performing a specific function within a cell
  8. 15. the chemical control center of a cell
  9. 19. the fluid inside a cell
  10. 20. the cell's hereditary material
  11. 23. anything that can live independently
  12. 25. groups of organs working together to perform particular jobs in the body