Across
- 4. between the 1st or 2nd phase of cell divisions of meiosis
- 7. made up of short micro-tubules that are involved in cell division
- 13. DNA for short
- 14. when bound to the endoplasmic reticulum it becomes referred to as rough
- 15. the second stage of cell division,,during which the chromosomes become attached to the spindle fibres.
- 16. a substance made from a polypeptide chain
- 19. the division of the nucleus
- 21. a protein structure that divides the genetic material in a cell
- 25. long strands of DNA
- 26. the final phase of cell division
- 28. a cell that contains 1 set of chromosomes
- 29. a gene that controls one function
Down
- 1. an organism whose cells have a cell nucleus and other organelles enclosed within membranes
- 2. a segment of DNA that codes for particular protein.
- 3. a visual representation of all the chromosomes found in organism
- 5. cells that reproduce by mitosis
- 6. the centre of the chromosome
- 8. a specialized type of cell division that reduces the chromosome number by half
- 9. are cells that reproduce by meiosis
- 10. the complete set of genes
- 11. the cell program of death
- 12. the first stage of nuclear divisions
- 17. contains the cell's genetic material, DNA
- 18. a female or male germ cell
- 20. specialised structures within a living cell.
- 22. a single celled organism is classified as
- 23. a cell that contains 2 sets of chromosomes
- 24. a structure surrounding the outside of a plasma membrane in most plant cells, bacteria and fungi
- 27. the building blocks of matter