Science
Across
- 2. allowing large to leave a cell
- 5. a clear gel-like fluid
- 6. a tiny cell structure that carries out a specific function within the cell
- 9. a sac-like organelle that stores water, food, or other materials needed by the cell.
- 11. Permeable when some substances can cross the membrane, but others cannot
- 12. the “powerhouse” of the cell
Down
- 1. an organelle in the cells of plants and some other organisms that captures energy from sunlight and changes it to an energy form that cells can use in making food
- 2. Reticulum an organelle with a network of membranes that processes many substances, including proteins and lipids
- 3. containing substances that break down large food particles into smaller ones.
- 4. the process by which molecules mover from an area of higher concentration to an area of lower concentration
- 5. wall the rigid supporting layer that supports the cells of plants and some other organisms
- 7. a large oval organelle that contains the cell’s genetic material in the form of DNA
- 8. a cell membrane takes particles into the cell by changing shape and engulfing the particles
- 10. an instrument that makes small objects look larger
- 13. theory a widely accepted explanation of the relationship between cells and living things