Across
- 5. The tough covering around the plant cells
- 7. Membrane thin boundary layer around the cell
- 8. any organism that lacks a distinct nucleus and other organelles due to the absence of internal membranes
Down
- 1. are specialized structures that perform various jobs inside cells
- 2. one of the liquids found inside cells
- 3. an organelle found in large numbers in most cells
- 4. Are cells filled with water
- 6. The control center of the cell