Cells

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Across
  1. 3. macromolecules made of chains of amino acid residue
  2. 4. when a cell has one set of chromosomes
  3. 6. a thread-like structure containing genetic information in the form of genes
  4. 15. final stage of mitosis; sister chromatids are at opposite poles
  5. 17. unicellular organism that lacks membrane-bound organelles
  6. 18. organelle that assists in mitosis and the production of spindle fibres
  7. 19. the appearance and number of chromosomes in a cell
  8. 20. cell division that produces four daughter cells, each with half the chromosomes of the parent cell
  9. 21. a sequence of DNA which codes for a type of molecule with a particular function
  10. 23. the longest phase of the cell cycle
  11. 24. any cell of an organism excluding reproductive cells
  12. 26. the smallest unit of life that can replicate independently
  13. 27. outermost protective layer of a plant cell
  14. 28. cells produced by meiosis in the gonads (ovaries, testes)
Down
  1. 1. matured male or female germline cells
  2. 2. first stage of mitosis
  3. 5. carries genetic information and forms chromosomes
  4. 7. third stage of mitosis; separation of sister chromatids
  5. 8. fibre protein structures that divide genetic material in a cell
  6. 9. when a cell has two sets of chromosomes
  7. 10. cell division where daughter cells are identical to parent cell
  8. 11. a speacialized structrure within a living cell
  9. 12. a protein creating organelle
  10. 13. the point where a pair of chromosomes connect
  11. 14. programmed cell death
  12. 16. an organism in which the genetic material is formed as chromosomes found in the nucleus
  13. 22. the organelle containing the cell's genetic material in eukaryotes
  14. 25. each alternative form of a gene
  15. 28. genetic material of a living organism