Across
- 4. An English scientist who used the word "cell" for the first time after looking at cork under the microscope.
- 12. an organelle in cells where photosynthesis occurs
- 13. A German botanist who studied plants under the microscope and concluded that all plants are made of cells.
- 14. any living thing.
- 16. the control center or brain of the cell where DNA is found
- 17. A Dutch scientist who is associated with the invention of the compound microscope and telescope.
- 19. organisms that do have a membrane bound nucleus surrounded by organelles
- 20. the stiff outer coating of plant, fungi and bacteria cells.
Down
- 1. the part of a plant cell that contains chlorophyll and in which photosynthesis occurs.
- 2. a part of a cell that has a special function, much like an organ.
- 3. A scientist known as the "Father of Microbiology" who observed bacteria for the first time and named them animalcules.
- 5. Invention that made it possible for scientists to develop cell theory?
- 6. the semipermeable coating of the cell that allows certain things to pass by.
- 7. organisms that do not have a nucleus surrounded by membrane bound organelles
- 8. the chemical found in cells that is the main component of chromosomes and carries genetic information.
- 9. A German scientist who studied animals under the microscope and concluded that all animals are made of cells.
- 10. the powerhouse of the cell that gives energy
- 11. the jelly like fluid that holds the cell's organelles
- 15. A German scientist who proved that cells come from other cells.
- 18. the smallest fundamental unit of life
