Biology

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Across
  1. 2. small dense spherical structure in the nucleus
  2. 6. plastid that contains chlorophyll
  3. 7. apparatus, complex of vesicles and folded membranes
  4. 8. wall, layer on the outside of plant cells
  5. 12. reticulum, network of membranes tubules usually has ribosomes attacked
  6. 13. space in cytoplasm enclosed by membrane
  7. 15. particle consisting of RNA
  8. 17. group of unicellular microorganisms which have cell walls
  9. 20. ER without ribosomes
  10. 21. cannot manufacture its own food by carbon dioxide
  11. 22. helps bacterium swim
  12. 23. single celled paganism that doesn't have a distinct nucleus
  13. 24. acts as a messenger carrying instructions from DNA
  14. 25. number of organized or specialized structures within a living cell
Down
  1. 1. core of an atom
  2. 3. small fluid filled bladder
  3. 4. self replicating material that carries genetic information
  4. 5. plants get food though the sun
  5. 9. organelle in the cytoplasm containing degradedve enzymes enclosing in the membrane
  6. 10. material or protoplasm within a living cell
  7. 11. smallest structural and functional unit of an organism
  8. 14. bacterium found mainly in the intensities and the soil
  9. 16. membrane, surrounding the cytoplasm of a cell
  10. 18. similar to bacteria, lacks nuclei
  11. 19. powerhouse of the cell