Cell Cross Word

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Across
  1. 2. any of a number of organized or specialized structures within a living cell
  2. 4. the material or protoplasm within a living cell, excluding the nucleus
  3. 6. a dense organelle present in most eukaryotic cells, typically a single rounded structure bounded by a double membrane, containing the genetic material
  4. 9. a space or vesicle within the cytoplasm of a cell enclosed by a membrane and typically containing fluid
  5. 11. a minute particle consisting of RNA and associated proteins found in large numbers in the cytoplasm of living cells. They bind messenger RNA and transfer RNA to synthesize polypeptides and proteins
  6. 13. The smallest living unit of any organism
  7. 15. States that all organisms are composed of similar units of organization called cells
  8. 16. a microscopic single-celled organism that has neither a distinct nucleus with a membrane nor other specialized organelles
  9. 17. a rigid layer of polysaccharides lying outside the plasma membrane of the cells of plants, fungi, and bacteria
  10. 18. a network of membranous tubules within the cytoplasm of a eukaryotic cell, continuous with the nuclear membrane
Down
  1. 1. a minute cylindrical organelle near the nucleus in animal cells, occurring in pairs and involved in the development of spindle fibers in cell division
  2. 3. a biological membrane consisting of two layers of lipid molecules
  3. 5. an organelle found in large numbers in most cells, in which the biochemical processes of respiration and energy production occur
  4. 7. organisms whose cells have a nucleus enclosed within a nuclear envelope
  5. 8. a membrane allows the passage of some molecules or ions and inhibits the passage of others
  6. 10. a cell organelle that helps process and package proteins and lipid molecules, especially proteins destined to be exported from the cell
  7. 12. a membrane-bound cell organelle that contains digestive enzymes
  8. 14. microscopic network of protein filaments and tubules in the cytoplasm of many living cells, giving them shape and coherence
  9. 15. the semipermeable coating surrounding the cytoplasm of a cell
  10. 19. a plastid that contains chlorophyll and in which photosynthesis takes place