Chapter 5 - Cell Growth and division

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Across
  1. 2. the process that divides the cytosol and organelles.
  2. 4. a hollow ball of cells that is one of the first developmental stages of an animal embryo.
  3. 5. a group of diseases that is caused by uncontrolled cell division.
  4. 6. a form of reproduction that is based on mitosis and is common in flatworms, sea stars, and planaria.
  5. 8. a protein that can turn a kinase on or off
  6. 9. a term that describes stem cells that will only grow into cells of a closely related type, like all blood cells.
  7. 11. the use of chemicals that destroys cells that are dividing too fast.
  8. 13. a growth factor that increases the growth of red blood cells.
  9. 14. the series of growth duplication and divisions a cell goes through.
  10. 15. the asexual reproduction process that is used by prokaryotes.
  11. 17. a term that describes a cell which can grow into any other type of cell.
  12. 18. microtubules from the cytoskeleton assemble to form a structure that pulls on the chromosomes, this structure is called the
  13. 21. a tumor is said to be this if its cells are likely to spread through the body.
  14. 25. a section of DNA that controls the rate of the cell cycle
  15. 27. a small protein that is used to wrap the DNA in an organized way is called a(n)
  16. 28. a type of mitotic reproduction seen often in hydra and yeast cells.
  17. 30. the stage of mitosis in which the nuclear membrane breaks down.
Down
  1. 1. the ratio of volume and this value controls how large the cell becomes.
  2. 3. a unique type of body cell that can divide and renew itself for long periods of time.
  3. 7. the main advantage of sexual reproduction is a remixing of the DNA which creates
  4. 10. a stage of development that occurs after an embryo has been a blastocyst; the embryo is around 16 cells
  5. 12. a line of cancer cells that have been used for research all over the world
  6. 14. an area at the center of the chromosome that holds two chromatids together.
  7. 16. the scientific term for programmed cell death
  8. 19. a single monomer of deoxyribonucleic acid is known as ___.
  9. 20. the stage when the cell copies its nuclear DNA.
  10. 22. adult stem cells are often harvested from bone marrow and used to treat bone marrow cancer, which is called
  11. 23. a step in mitosis where sister chromatids separate.
  12. 24. an enzyme that can move a high energy phosphate group between two molecules.
  13. 26. the shape of the chromosome found in a prokaryote
  14. 29. there are three of these stages, each one involves the cell growing.