Cells Crossword
Across
- 7. The jelly-like substance inside the cell where organelles are found.
- 8. Genetic material that carries instructions for life.
- 9. Specialized structures within a cell that perform specific functions.
- 10. The control center of the cell that contains DNA.
- 12. A rigid layer that supports and protects plant cells.
Down
- 1. The powerhouse of the cell; produces energy (ATP) through cellular respiration.
- 2. Movement of molecules from high concentration to low concentration.
- 3. A thin, flexible barrier that surrounds the cell and controls what enters and leaves.
- 4. Diffusion of water across a membrane.
- 5. Found in plant cells; site of photosynthesis.
- 6. The ability of a cell or organism to maintain a stable internal environment.
- 7. Theory States that all living things are composed of cells, cells are the basic units of structure and function, and all cells come from pre-existing cells.
- 11. The basic unit of life; all living things are made of cells.