Unit 7 Vocabulary

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Across
  1. 2. stage of early development in mammals that consists of a hollow ball of cells
  2. 3. one of a family of proteins that regulates the cell cycle in eukaryotic cells
  3. 6. a fertilized egg
  4. 8. cells that are capable of developing into most, but not all, of the body's cell types
  5. 9. the presence of cancerous cells that have the ability to spread to other sites in the body (metastasize) or to invade nearby (locally) and destroy tissue
  6. 11. one of two identical "sister" parts of a duplicated chromosome
  7. 15. disorder in which some of the body's cells lose the ability to control growth
  8. 16. therapy the treatment of disease, especially cancer, using X-rays or similar forms of radiation.
  9. 18. developing stage of a multicellular organism
  10. 21. phase of mitosis in which the distinct individual chromosomes begin to spread out into a tangle of chromatin
  11. 22. unspecialized cell that can give rise to one or more types of specialized cells
  12. 23. treatment that uses certain parts of a person's immune system to fight diseases such as cancer
  13. 25. substance found in eukaryotic chromosomes that consists of DNA tightly coiled around histones
  14. 26. 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)
  15. 30. division of the cytoplasm to form two separate daughter cells
  16. 31. type of reproduction in which cells from two parents unite to form the first cell of a new organism
  17. 32. the development of secondary malignant growths at a distance from a primary site of cancer
  18. 33. period of the cell cycle between cell divisions in which the cell grows
  19. 34. phase of mitosis in which the chromosomes separate and move to opposite ends of the cell
Down
  1. 1. agent with the capacity to cause cancer in humans
  2. 4. process in which cells become specialized in structure and function
  3. 5. series of events in which a cell grows, prepares for division, and divides to form two daughter cells
  4. 7. tumor, or growth that is not cancerous (does not spread into nearby tissues)
  5. 10. growth of new blood vessels that tumors need to grow
  6. 12. type of reproduction in which one parent cell produces two identical offspring (daughter cells)
  7. 13. threadlike structure within the nucleus that contains genetic information that is passed on from one generation to the next
  8. 14. type of asexual reproduction in which an organism replicates its DNA and divides in half, producing two identical daughter cells
  9. 17. phase of mitosis in which the chromosomes line up across the center of the cell
  10. 19. cell with limited potential to develop into many types of differentiated cells
  11. 20. drug treatment that uses powerful chemicals to kill fast-growing cells in your body
  12. 24. any change in the DNA sequence
  13. 27. the process of programmed cell death
  14. 28. first and longest phase of mitosis in which the genetic material inside the nucleus condenses and the chromosomes become visible
  15. 29. region of a chromosome where the two sister chromatids attach