The Cell Cycle

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Across
  1. 1. stage of mitosis where sister chromatids are pulled so they line up in the middle of the cell
  2. 3. the stage of the cell cycle during which the cell's nuclear material is accurately separated
  3. 6. the process of programmed cell death
  4. 8. name given to the two chromatids which contain identical copies of DNA attached to a centromere
  5. 12. A type of cell that leaves the cell cycle for G0, also called a nerve cell
  6. 14. substances known to cause cancer
  7. 15. the stage of interphase where the cell copies its DNA in preparation for cell division
  8. 16. proteins that bind to enzymes called CDKs in interphase and mitosis to initiate various activities
  9. 19. indention where the microfilaments in an animal cell pinch together to allow for cytokinesis to occur
  10. 20. the final phase of mitosis, when separated DNA has a nuclear envelope begin to form around it and the cell is ready for cytokinesis
Down
  1. 2. third stage in mitosis when the chromatids are pulled apart toward opposite poles of the cell
  2. 4. number of cells produced each time through the cell cycle
  3. 5. type of radiation that can cause cancer
  4. 7. the entire structure that consists of the centrioles, aster fibers, and spindle fibers
  5. 9. forms between two daughter nuclei in plants for cytokinesis
  6. 10. an uncontrolled growth and division of cells
  7. 11. The first and longest of the stage of mitosis where the nuclear envelope disintegrates allowing for attachment to the centromeres
  8. 13. the stage of the cell cycle where two cells form to end cell division
  9. 17. Typically the longest stage of the cell cycle where the cell grows, develops, functions, duplicates DNA, and prepares for mitosis
  10. 18. these are built into the cell cycle to monitor the cycle and stop it if something goes wrong