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Across 1. The method by which the cells cytoplasm divides, which creates a new cell 2. Protiens that bind to cyclin-dependent kinases 4. Relaxed form of DNA in the cells nucleus 7. Structures that contain identical copies of DNA 8. Programmed cell death 9. The structure at the center of the chromosome where the sister chromatids are attached 10. Substances that are known to cause cancer 11. The third stage of mitosis where the sister chromatids are pulled apart 12. The last stage of mitosis during which the chromosomes arrive at the poles of the cell and decondense

Down 1. Enzymes to which cyclins bind too to start various activities in the cell cycle 2. Structures that contain the genetic material that is passed from generation to generation of cells 3. The stage of the cell cycle in which the cells nucleus and nuclear material divides 4. A cycle of growing and dividing by which cells reproduce 5. The first and longest stage of mitosis 6. The stage in the cell cycle in which the cell grows, carries out cellular functions, and replicates its DNA 10. An uncontrollable growth or division of cells