Looking Inside Cells

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Across
  1. 3. "Powerhouse" of a cell
  2. 5. Gel-like fluid that fills the region between the cell membrane and nucleus
  3. 7. A single-celled organism is called...
  4. 8. Prevents harmful materials from entering the cell.
  5. 9. Structure inside the nucleus where ribosomes are made
  6. 10. A mixture of DNA and proteins that form the chromosomes.
Down
  1. 1. The rough type of this organelle helps the attached ribosomes make proteins.
  2. 2. Group of similar cells that work together to perform a specific function
  3. 4. Organisms that consist of more than one cell.
  4. 5. Rigid layer that surrounds the plants cell
  5. 6. Cell's control center / the brain of cell