Chapter 3 Review - Science 6

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Across
  1. 1. membrane Controls what enters and leaves the cell.
  2. 3. fission Simple cell division where one cell splits into two identical cells.
  3. 5. Cell division producing genetically different cells.
  4. 6. The phase where the cell grows and DNA duplicates.
  5. 9. Movement of water across a membrane.
  6. 11. transport Transport requiring energy.
  7. 12. Final pinching of the cytoplasm into two cells.
  8. 13. Process yeast use to make dough rise.
  9. 15. respiration Opposite process of photosynthesis.
  10. 18. Type of asexual reproduction where a small piece grows off the parent.
  11. 19. Two nuclei form; spindle disappears.
  12. 21. The two identical halves of a duplicated chromosome.
  13. 22. Molecules moving from high concentration to low concentration.
  14. 24. Cell division producing identical cells.
Down
  1. 1. Structure where chromatids are joined.
  2. 2. Where proteins are made.
  3. 4. Organelle known as the “powerhouse.”
  4. 7. Water-specific diffusion process.
  5. 8. transport Transport that does NOT require energy.
  6. 10. diffusion Movement of molecules using protein channels.
  7. 14. Chromosomes separate during this mitosis stage.
  8. 16. reproduction Asexual reproduction where plant parts create new plants.
  9. 17. Chromosomes condense and spindle forms.
  10. 20. Process using light energy to make glucose.
  11. 23. Reproductive cells.