cats 2

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Across
  1. 3. A tunnel-like extension for enzyme secretion from bone-destroying cells.
  2. 5. Process where vesicles fuse with the plasma membrane to release contents.
  3. 6. A type of metabolism that breaks down molecules for energy.
  4. 7. Side by side location, often said of cells with gap junctions.
  5. 9. Binding in the active site leads to this kind of enzyme activation.
  6. 10. DNA plus proteins, packaged but not condensed.
  7. 13. The phase where chromosomes arrive at poles and nuclear envelopes reform.
  8. 17. Produced in abundance by certain ovarian cells.
  9. 18. A molecule that shuttles proteins into the nucleus.
  10. 20. The fusion of gametes to form a zygote.
  11. 21. A type of infection that generates immune responses even without producing virions.
  12. 23. A strong cell–cell adhesion structure composed of dense plaques.
  13. 24. The process by which a cell becomes specialized.
  14. 25. The final physical separation of two daughter cells.
Down
  1. 1. A bond that helps stabilize tertiary structure.
  2. 2. Stage where the three germ layers first appear.
  3. 4. What you get when cells keep dividing after compaction.
  4. 8. A process that allows an increase in cell number.
  5. 11. A direct passageway for ions and molecules between cells.
  6. 12. An enzyme that unwinds the DNA double helix.
  7. 14. Some cells secrete molecules that turn around and act on themselves.
  8. 15. A structure that organizes the mitotic spindle.
  9. 16. Embryonic tissue layer that will form muscle and bone.
  10. 19. Regulation of gene expression without altering DNA sequence.
  11. 22. Event needed to turn a chromosome into a visible structure.