Chapter 10 Vocabulary Review

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Across
  1. 2. Mass of cancer cells that can be malignant (spreads) or benign (remains at the original site).
  2. 4. Protein that stimulates the GROWTH and division of cells during the cell cycle.
  3. 6. Process by which an entire cell divides into two new daughter cells.
  4. 7. Unspecialized cells that can develop into specialized cells when under the right conditions.
  5. 11. Production of genetically IDENTICAL (same) offspring from a single parent.
  6. 14. Tightly coiled form of DNA in the cell’s nucleus. Looks like “X”.
  7. 15. Protein that regulates the timing of the cell cycle.
  8. 17. center (middle) of a chromosome
  9. 19. Process in which cells become specialized into DIFFERENT types of cells.
  10. 20. programmed cell death
  11. 22. relaxed form of DNA in the cell’s nucleus. Looks like spaghetti .
  12. 24. First main part of the cell cycle consisting of G1, S, G2. Period of cell growth, replication of DNA, and preparation for division.
  13. 25. Second phase of mitosis in which chromosomes line up across the MIDDLE of the cell.
Down
  1. 1. Organelle in an animal cell that helps to organize cell division.
  2. 3. Second main part of the cell cycle which involves the division of the nucleus.
  3. 5. Series of events in which cells grow, prepare for division, and divide to form two daughter cells. Consists of 3 main parts.
  4. 8. Production of genetically DIFFERENT offspring from two parents.
  5. 9. Early developmental stage which eventually produces an adult organism.
  6. 10. First phase of mitosis in which the cell’s genetic material condenses into chromosomes; nucleus disappears, and the spindle apparatus forms.
  7. 12. substance that causes cancer; chemicals that mutate (change) DNA.
  8. 13. disorder caused by uncontrolled growth and division of cells; failure in the regulation of the cell cycle.
  9. 16. Half of a chromosome
  10. 18. Third main part of the cell cycle involves the division of the cytoplasm which produces two new daughter cells.
  11. 21. Third phase of mitosis in which sister chromatids are pulled apart & move to opposite poles of cell.
  12. 23. Fourth and last phase of mitosis in which the chromosomes are at the poles and they relax to form chromatin.