cells

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Across
  1. 1. ribosomes not on it
  2. 4. the pigment that gives plants their green color.
  3. 8. basic building block
  4. 9. ribosomes on it
  5. 11. organism that lacks an envelope-enclosed nucleus
  6. 12. an organelle in the cytoplasm of eukaryotic cells
  7. 13. the central part of a atom
  8. 14. organisms whose cells have a nucleus enclosed within a nuclear envelope
Down
  1. 2. membrane-bound cell organelles
  2. 3. the semipermeable membrane surrounding the cytoplasm of a cell.
  3. 5. a complex of vesicles and folded membranes
  4. 6. large molecule found in plant cells
  5. 7. organelles that conduct photosynthesis
  6. 9. they seat on rough er
  7. 10. a structural layer surrounding some types of cells