cells

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Across
  1. 3. a minute particle consisting of RNA and associated proteins found in large numbers in the cytoplasm of living cells
  2. 5. doesn't have a nucleus
  3. 8. a slender threadlike structure, especially a microscopic appendage that enables many protozoa
  4. 9. a rigid layer of polysaccharides lying outside the plasma membrane of the cells
  5. 10. the tendency toward a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes
Down
  1. 1. has a nucleus
  2. 2. diverse collection of organisms
  3. 4. a space or vesicle within the cytoplasm of a cell, enclosed by a membrane and typically containing fluid.
  4. 6. subcellular structure that has one or more specific jobs to perform in the cell
  5. 7. the central and most important part of an object, movement, or group, forming the basis for its activity and growth