Across
- 2. internal framework of each cell
- 5. Theory that every living organism is made of one or more cells, the cell is the basic unit of life, and all cells arise from preexisting cells.
- 9. outer wall of a cell. only lets some materials cross
- 11. first cell on earth. no nucleus or membrane bound organelles.
- 14. made during cellular respiration
- 15. Prokaryotes are unicellular (T/F)
- 16. make proteins
- 18. membrane enclosed structure in a cell that stores genetic information.
- 19. structure of nucleic acids found in the nucleus
- 20. evolved from prokaryotes. contain a nucleus and membrane bound organelles.
Down
- 1. 1-2 longer projections that move the cell forward in a whip like mode.
- 3. the first organisms on earth were anaerobic prokaryotes
- 4. stores materials within a cell
- 6. phenomenon where cells, bacteria, and organisms direct their movements in response to certain chemicals in their environment .
- 7. short, numerous hairlike projections that move like a rowboat
- 8. genetic material
- 10. makes cells ribosomes
- 12. fluid material in a cell
- 13. All ____ arise from pre-existing _____ (same word)
- 17. powerhouse of the cell. releases ATP energy