Biology
Across
- 3. A segment of DNA that codes for a particular protein
- 4. The first phase of mitosis
- 7. The carrier of genetic information
- 12. The sequence of cells that develop into eggs and sperm
- 18. The part of a chromosome that links sister chromatids
- 19. Synthesises proteins and have a flat round structure
- 20. Image of all chromosomes in the nucleus
- 21. All the organisms DNA
- 22. Long section of DNA
- 23. A molecule made up of polymers of amino acids joined together by peptide bonds
- 25. The second stage of cell division
- 26. An organism's reproductive cells
- 27. The building blocks of life
- 29. Different versions of a cells gene
Down
- 1. A specialised structure within a living cell
- 2. A cell containing 23 chromosomes
- 5. Forms a protein structure that divides the genetic material in a cell
- 6. Any cell of a living organism that is not a reproductive cell
- 8. The phase of a cell's cycle in which a typical cell spends most of its life
- 9. The division of the nucleus which creates two identical cells
- 10. A unicellular organism that does not have membrane bound organelles
- 11. A cell containing 46 chromosomes
- 13. Any organism with cells with membrane-bound organelles
- 14. The control centre of the cell
- 15. Programmed cell death
- 16. The final phase of cell division
- 17. Cyclinder shaped organelle, involved in cell division
- 24. It gives the cell its shape, structure and protection
- 28. A parent cell making four non identical haploid cells