Chapter 7: Cells

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Across
  1. 3. the study of microscopic structure and function of cells and associated tissue.
  2. 10. are metabolically active specialized structures within the cell.
  3. 14. three-dimensional system of support within cell.
  4. 16. Cells with similar characteristics of form and function are grouped together.
  5. 17. metabolically inert substances or transient structures within cell.
  6. 18. Clear constricted area where two chromatids of chromosome are joined.
  7. 20. substance transparent substance that fills in spaces between tissue cells.
  8. 22. period when cell is between divisions but is growing and functioning.
  9. 23. pores Avenues of communication between inner nucleoplasm and outer cytoplasm.
  10. 25. complex does the segregating, packaging, and transporting from of the new protein from the ER, and is known as the "distribution center" for the cell.
  11. 26. are organelles produced by the golgi complex and function in both the intracellular and extracellular digestion by the cell.
  12. 29. intercellular junction between two cells.
  13. 30. reticulum consists of parallel membrane-bound channels, and acts as a "highway" system for the cell.
  14. 31. the fluid part within the nucleus.
  15. 32. are the tiny sphere shaped organelles in the cell, and function as mobile "protein factories" for the cell.
  16. 33. projections on the cell surface that are fewer and longer than cilia.
  17. 34. Separate concentrations of chromatin in dividing nucleus of cell.
  18. 36. Chief nucleoprotein in nondividing nucleoplasm.
  19. 38. final phase of mitosis with division into two daughter cells and reappearance of the nuclear membrane.
  20. 41. the engulfing and then digesting of solid waste and foreign material by the cell through enzymatic breakdown of the material.
  21. 42. intermediate filaments having major role in intercellular junctions.
Down
  1. 1. holds two centrioles and is located near the nucleus, and plays a big part in a cell's ability to reproduce.
  2. 2. two filamentous daughter chromosomes joined at centromere during cell division.
  3. 4. Various tissue types are bonded together.
  4. 5. Spaces or cavities within the cytoplasm.
  5. 6. pair of cylindrical structures in the centrosome.
  6. 7. the semifluid part contained within the cell membrane as well as the skeletal system of support or cytoskeleton.
  7. 8. plural for nucleus.
  8. 9. forms intercellular junction involving attachment of cell to nearby noncellular surface.
  9. 11. the uptake of materials from the extracellular environment into the cell.
  10. 12. Rounded nuclear organelle centrally placed in nucleoplasm.
  11. 13. Group of organs functioning together.
  12. 15. envelope a double-layered membrane that surrounds the nucleus.
  13. 19. junctions mechanical attachments between cells or between cells and nearby non-cellular surfaces.
  14. 21. projections on the cell surface that are more numerous and shorter than flagella.
  15. 23. is the largest, densest, and most conspicuous organelle in the cell when it is examined microscopically.
  16. 24. are the most numerous organelles in the cell, and are associated with energy conversion and thus the "power stations" for the cell.
  17. 27. filaments components of cytoskeleton.
  18. 28. The smallest living unit of organization in the body.
  19. 34. membrane surrounds the cell and acts as a "gatekeeper" for the cell's interior.
  20. 35. second phase of mitosis in which chromosomes are aligned into equatorial position.
  21. 37. cell division that occurs in phases and results in two daughter cells.
  22. 39. first phase of mitosis with chromatin condensing into chromosomes.
  23. 40. an active transport of material from a vesicle within the cell out into the extracellular environment.