unit 5

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Across
  1. 9. one of two identical "sister" parts of a duplicated chromosome
  2. 10. series of events in which a cell grows, prepares for division, and divides to form two daughter cells
  3. 11. cell with limited potential to develop into many types of differentiated cells
  4. 14. one of a family of proteins that regulates the cell cycle in eukaryotic cells
  5. 15. phase of mitosis in which the distinct individual chromosomes begin to spread out into a tangle of chromatin
  6. 17. period of the cell cycle between cell divisions in which the cell grows
  7. 19. type of reproduction in which cells from two parents unite to form the first cell of a new organism
  8. 20. phase of mitosis in which the chromosomes separate and move to opposite ends of the cell
  9. 21. division of the cytoplasm to form two separate daughter cells
  10. 22. a fertilized egg
  11. 24. drug treatment that uses powerful chemicals to kill fast-growing cells in your body
  12. 25. cells that are capable of developing into most, but not all, of the body's cell types
  13. 26. the development of secondary malignant growths at a distance from a primary site of cancer
Down
  1. 1. any change in the DNA sequence
  2. 2. first and longest phase of mitosis in which the genetic material inside the nucleus condenses and the chromosomes become visible
  3. 3. disorder in which some of the body's cells lose the ability to control growth
  4. 4. the treatment of disease, especially cancer, using X-rays or similar forms of radiation.
  5. 5. cells that are able to develop into any type of cell found in the body (including the cells that make up the extraembryonic membranes and placenta)
  6. 6. process in which cells become specialized in structure and function
  7. 7. unspecialized cell that can give rise to one or more types of specialized cells
  8. 8. agent with the capacity to cause cancer in humans
  9. 12. stage of early development in mammals that consists of a hollow ball of cells
  10. 13. phase of mitosis in which the chromosomes line up across the center of the cell
  11. 14. region of a chromosome where the two sister chromatids attach
  12. 16. developing stage of a multicellular organism
  13. 18. type of reproduction in which one parent cell produces two identical offspring (daughter cells)
  14. 23. the process of programmed cell death