Cell Cycle

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Across
  1. 3. in ____, the cohesion’s are cleaved by an enzyme called separase.
  2. 7. The ____ ___ is a structure made of microtubules that controls chromosomes movement during mitosis.
  3. 10. nonreproductive cells have two sets of chromosomes.
  4. 12. prokaryotes reproduce by a type of cell division is called ___ ___.
  5. 13. ___ is the division of genetic material in the nucleus.
  6. 16. the ____ is the narrow of the duplicated chromosome, where the two chromatids are most closely to attach.
  7. 17. ___ is a special type of division that can produce sperm and egg cells.
  8. 19. ___ are protein complexes associated with centromeres.
  9. 23. _____ depend on cell division of development from a fertilized egg, growth, and repair.
  10. 24. ___ yields nonidentical daughter cells that have half as many chromosomes as the parent cell. (Variation of cell division)
  11. 25. ___ begins during anaphase or telophase and the spindle eventually disassembles.
  12. 27. define the phase that consist of cell growth and copying of chromosomes in preparation for cell division.
  13. 28. At metaphase, the chromosomes are all lined up at the ____ ____, a plane midway between the spindle’s two poles.
Down
  1. 1. The continuity of life based on the reproduction of cells is known as?
  2. 2. In animal cells, cytokinesis occurs by a process known as cleavage, forming a ____ ____.
  3. 4. the microtubules shorten by ___ at the kinetochore ends.
  4. 5. In plant cells, a ___ __ forms during cytokinesis.
  5. 6. define the phase that consists of both mitosis and cytokinesis.
  6. 8. The frequency of cell division varies with the type of __.
  7. 9. During ____, some spindle microtubules attach to the kinetochores of chromosomes and begin to move to the chromosomes.
  8. 11. The division of cytoplasm.
  9. 14. Each duplicated chromosome has two ____ _____,attached along their lengths by cohesins.
  10. 15. An ___ (a radial array of short microtubules) extends from each centrosome.
  11. 18. In the interphase there are three phases. What phase do chromosomes duplicate?
  12. 20. Eukaryotic chromosomes consist of ____ a complex of DNA and protein that condenses during cell division.
  13. 21. How many stages does mitosis have?
  14. 22. DNA molecules in a cell are packaged into ______.
  15. 26. All the DNA in a cell constitutes the cell’s _____.