Across
- 1. where DNA is bound with protein
- 3. holds cell organelles
- 4. outer boundary of the cell (selectively permeable)
- 9. coined the word cell
- 11. site of protein synthesis
- 14. packaging and secreting
- 16. wall supports and protects
- 17. storage for water and food
- 18. a group of tissues that work together to preform a specific function
- 21. cell division
- 22. where ribosomes are made
- 23. control center
- 24. a group of cells that preform the same function
- 25. surrounds the nucleus (selectively permeable)
Down
- 2. powerhouse of the cell
- 5. moves materials around the cell
- 6. cells that have organelles and a nucleus
- 7. digests wastes and worn out cell parts
- 8. light energy is changed into chemical energy
- 10. cells that lack organelles or a nucleus
- 12. discovered all animals are made of cells
- 13. discovered cells arise from pre-existing cells
- 15. discovered all plants are made of cells
- 19. saw single cell organisms under scope
- 20. discovered the cell nucleus