Across
- 1. A widely accepted explanation of the relationship between cells and living things.
- 3. 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.
- 4. Made of a single cell.
- 6. The basic unit of structure and function in living things.
- 8. The thick fluid region of a cell located inside the cell membrane or between the cell membrane and the nucleus.
- 13. A rigid supporting layer that surround the cells of plants and some other organism.
- 14. A cell organelle which contains chemicals that break down large food particles into smaller ones and that can be used by the rest of the cell.
Down
- 2. An organelle that forms a maze of passageways in which proteins and other materials are carried from one part of the cell to another.
- 5. A thin, flexible barrier that surrounds a cell and controls which substances pass into and out of a cell.
- 7. Consisting of many cells.
- 9. Rod-shaped organelles that convert energy in food molecules to energy the cell can use to carry out its functions.
- 10. A large oval organelle that contains the cell's genetic matieral in the form of DNA and controls many of the cell's activities.
- 11. An organelle in a cell that receives proteins and other newly formed materials from the endoplasmic reticulum, packages them, and distributes them to other parts of the cell.
- 12. A small grain-shaped organelle in the cytoplasm of a cell that produces proteins.