Across
- 1. converts energy stored in food into usable energy for work
- 4. which piece of technology was instrumental in the development of the cell theory
- 6. play a major role in cell division (mitosis)
- 7. which scientist found that all plants are made of cells
- 9. acts as a support system for organelles, maintains cell shape
- 13. or more, how many cells are in living things
- 14. wall, boundary sound the plant cell outside of the cell membrane that provides structure and support
- 17. degrade hydrogen peroxide and a toxic compound that can be produced during metabolism
- 19. storage center of cells DNA, manages cell functions
- 20. ER, involved in the synthesis of lipids and is not covered with ribosomes
- 21. used for temporary storage of wastes, nutrients, and water
- 24. are animal cells surrounded by cell walls
Down
- 2. contains salt, minerals and organic molecules, surrounds organelles
- 3. location of proteins synthesis
- 5. apparatus, receives proteins from the rER and distributes them to other organelles
- 8. do animal cells contain chloroplasts
- 10. reticulum, intracellular highway (a path along which molecules move from one part of the cell to another)
- 11. are are the vacuoles in plants larger than those in animals
- 12. photosynthesis (conversion of light energy to chemical energy in the bonds of glucose)
- 14. and flagella, cell motility
- 15. breaks down food particles, invading objects, or worn out cell parts
- 16. ER, makes large amounts of protein and covered with ribosomes
- 18. smallest cell
- 22. membrane, selectively permeable boundary between cell and external environment
- 23. egg, biggest cell
