Crossword on cells and control
Across
- 2. - stem cells that make limited cell types
- 3. - long part of nerve cell that carries signals
- 6. - automatic quick response
- 9. - cell becomes specialised for a job
- 10. - chromosomes pulled apart
- 12. - stage where cell grows and copies DNA
- 15. - cytoplasm splits into two cells
- 16. CYCLE - series of stages a cell goes through
- 17. - getting bigger by cell division and differentiation
- 18. - cell division that makes two identical cells
- 20. - stem cells from early embryo that can make any cell
- 21. - organ that controls the body
Down
- 1. - chromosomes line up in middle
- 4. - first stage of mitosis
- 5. - cell that carries electrical impulses
- 7. - plant stem cells in roots and shoots
- 8. - gap between two nerve cells
- 11. - lump of cells from cancer
- 13. - nuclei form in new cells
- 14. CELL - unspecialised cell that can become many types
- 15. - disease from uncontrolled cell division
- 19. - cell adapted for one specific function