Cell Structure Crossword Puzzle

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Across
  1. 3. the most important part of a cell
  2. 4. the powerhouse of a cell
  3. 6. protein filaments and tubules in the cytoplasm of many living cells
  4. 8. a rigid layer of polysaccharides lying outside the plasma membrane
  5. 9. a plastid that contains chlorophyll and in which photosynthesis takes place.
  6. 10. a space or vesicle within the cytoplasm of a cell
Down
  1. 1. a membrane-bound cell organelle that contains digestive enzymes.
  2. 2. the semipermeable membrane surrounding the cytoplasm of a cell.
  3. 5. what fills the inside of a cell
  4. 7. a small dense spherical structure in the nucleus of a cell during interphase.