Across
- 4. acid The carrier of genetic information
- 8. Alternative forms of a gene that appear by mutation.
- 9. The programmed death of cells that occurs in multi cellular organisms.
- 11. The site of biological protein synthesis.
- 16. “Control centre” of the cell.
- 17. A haploid cell that is able to form a zygote during sexual reproduction.
- 18. The second stage of cell division.
- 19. A cell that contains one set of chromosomes.
- 20. A single cell organism which does not have a distinct nucleus or any other organelles.
- 22. Wall Gives the cell protection, its shape, and its structure.
- 23. A molecule made up of polymers of amino acids.
- 24. Visual representation of all the chromosomes found in an organism.
- 26. cell Cells that reproduce by meiosis.
- 27. A structure within the cell that performs a specialised function.
- 28. A diploid cell that divides to create four haploid cells.
Down
- 1. Long strands of coiled DNA that contain genes.
- 2. An organism that consists of cells where the genetic material is DNA in the form chromosomes in a distinct nucleus.
- 3. A cell that contains two sets of chromosomes
- 5. Section of a chromosome where the micro-tubules of the spindle attach during cell division.
- 6. The resting period during the first and second divisions of meiosis
- 7. The first stage of cell division, where the chromosomes become visible and the nuclear envelope disappears.
- 10. Final phase of cell division where chromatids or chromosomes move to opposite ends of the cell and create two nuclei.
- 12. fibre Involved in the formation of a protein structure that divides the genetic material in a cell.
- 13. Rod shaped organelles important for cell division
- 14. Genetic material of an organism that consists of DNA.
- 15. A specific order of nucleotides forming part of the chromosome, which determines our characteristics inherited from our parents.
- 21. cell Cells that reproduce by mitosis.
- 25. A parent cell reproduces to create two daughter cells.