Cell Cycle

1234567891011121314151617181920212223242526
Across
  1. 2. At metaphase, the chromosomes are all lined up at the ____ ____, a plane midway between the spindle’s two poles.
  2. 5. The division of cytoplasm.
  3. 6. The continuity of life based on the reproduction of cells is known as?
  4. 7. Eukaryotic chromosomes consist of ____, a complex of DNA and protein that condenses during cell division.
  5. 8. During ____, some spindle microtubules attach to the kinetochores of chromosomes and begin to move to the chromosomes.
  6. 9. define the phase that consists of both mitosis and cytokinesis.
  7. 10. _____ depend on cell division of development from a fertilized egg, growth, and repair.
  8. 15. All the DNA in a cell constitutes the cell’s _____.
  9. 18. DNA molecules in a cell are packaged into ______.
  10. 21. In animal cells, cytokinesis occurs by a process known as cleavage, forming a ____ ____.
  11. 22. the ____ is the narrow of the duplicated chromosome, where the two chromatids are most closely to attach.
  12. 23. prokaryotes reproduce by a type of cell division is called ___ ___.
  13. 24. the microtubules shorten by ___ at the kinetochore ends.
  14. 25. How many stages does mitosis have?
  15. 26. ___ is the division of genetic material in the nucleus.
Down
  1. 1. The ____ ___ is a structure made of microtubules that controls chromosomes movement during mitosis.
  2. 2. ___ is a special type of division that can produce sperm and egg cells.
  3. 3. Each duplicated chromosome has two ____ _____,attached along their lengths by cohesins.
  4. 4. In plant cells, a ___ __ forms during cytokinesis.
  5. 11. In the interphase there are three phases. What phase do chromosomes duplicate?
  6. 12. define the phase that consist of cell growth and copying of chromosomes in preparation for cell division.
  7. 13. ___ begins during anaphase or telophase and the spindle eventually disassembles.
  8. 14. are protein complexes associated with centromeres.
  9. 16. An ___ (a radial array of short microtubules) extends from each centrosome.
  10. 17. ___ yields nonidentical daughter cells that have half as many chromosomes as the parent cell. (Variation of cell division)
  11. 19. nonreproductive cells have two sets of chromosomes.
  12. 20. in ____, the cohesion’s are cleaved by an enzyme called separase.
  13. 22. The frequency of cell division varies with the type of __.