Across
- 4. prepares protein for their specific jobs or functions
- 5. a network of threadlike proteins that are joined together
- 6. organelles that store food, water, and waste material
- 7. have specialized functions
- 8. flexible covering that protects the inside of a cell
Down
- 1. stiff structure outside the cell membrane
- 2. membrane-bound organelles that use light energy and make food, a sugar called glucose
- 3. provide a cell with usable energy
- 5. a fluid inside a cell that contains salts and other molecules
- 9. directs cell activities