Chapter 4

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Across
  1. 5. Acts as "checkpoints" to prevent damaged cells from replicating
  2. 6. Study of cell structure
  3. 7. Sister chromatids get pulled apart in mitosis
  4. 9. Makes protein from mRNA template; occurs in cytoplasm
  5. 10. Nucleolus disappears, chromatin turns to chromosomes; in mitosis
  6. 12. An increase in number of cell division
  7. 16. Organelle that makes proteins and studded with ribosomes
  8. 17. DNA replication occurs in the "S" phases (other phases are G1, G2)
  9. 18. Organelle that sorts, transports, and distributes protein and lipids
  10. 19. Organelle that produces lipids and detoxifies drugs, alcohol, etc.
  11. 20. The chromosomes meet in the middle (equator) in mitosis
Down
  1. 1. Somatic cell division
  2. 2. Exportation of large substances (a type of vesicular transport)
  3. 3. Protein + carbohydrate (on plasma membrane)
  4. 4. Lipid + carbohydrate (on PM)
  5. 8. An increase in cell size
  6. 11. Makes RNA using DNA template; occurs inside nucleus
  7. 13. DELIBERATE cell death (aka PCD) to protect from harming other cells
  8. 14. Incidental cell death (ex: snake bite)
  9. 15. Prominent cleavage furrow, nucleus reappears, chromatin is formed