Across
- 4. type of cell division resulting in four haploid gametes
- 6. body cell that divides by mitosis to form more body cells
- 9. collection of cancer cells, produced by excessive, uncontrolled cell division
- 11. used as part of medical therapy
- 12. refers to a cell having two sets of chromosomes – 23 pairs
- 13. stem cells from tissues that divide and differentiate to become cells of that tissue
- 16. grows and divides in an unregulated way to produce a tumour
- 17. division of the nucleus of somatic or germline cells, giving rise to two diploid daughters
- 18. defence white blood cell that can engulf and destroy foreign material
- 19. cell that can give rise to gametes
- 20. blood cell containing haemoglobin, which can carry oxygen in the blood stream
Down
- 1. describes cell having one set of chromosomes - 23 single
- 2. changes to cells that allow them to specialise for different functions
- 3. molecular signal that can be received by a cell to modify its activity
- 5. (stem cell) has the potential to make almost all differentiated cell types of the body
- 6. unspecialised cell that can divide and then differentiate
- 7. (stem cell) has the potential to make almost all cell types within a particular tissue
- 8. type of white blood cell involved in a specific immune response
- 10. blood cell fragments important in blood clotting
- 14. stem cells from the embryo that can divide and become any type of body cell
- 15. cancer formed from a cell transported from a primary tumour