cells

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Across
  1. 3. finger like extensions of the cell membrane covering the free surface of certain epithelial cells
  2. 5. the site of protein synthesis where amino acids are strung in sequence as directed by messenger RNA from the nucleus
  3. 6. basic structural, functional, and biological unit of all known living organisms
  4. 9. the ground substance of the cell less than the nucleus contains organelles and inclusions
  5. 10. here the cell pinches off in the center, forming two daughter cells each identical to the mother cell
  6. 11. the centromeres divide, each daughter centromere is attached to one chromatid
Down
  1. 1. formed of protein and provide structural support for the cell
  2. 2. membrane lined container of enzymes with great capacity to break down structure, especially ingested foreign substances
  3. 4. longest period of the reproductive cycle
  4. 7. the dispersed chromatin thickens, shortens, and coils to form condensed chromatin or chromosomes
  5. 8. strands of spindle fibers project across the cell center from paired centrioles