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  1. Cyanobacteria, SEM
  2. Scanning electron micrograph of HIV particles infecting a human T cell
  3. Chain Of Molecules
  4. Leukemia blood cells, light micrograph
  5. Muybridge Motion Study, 1870s
  6. Conceptual image of DNA
  7. Cell
  8. Pond life
  9. Escher's Blue Butterfly
  10. Parasitic Wasp Head, SEM
  11. Embryo development 24-36 hours after fertilization
  12. Common Dolphins
  13. Antibiotic destroying a bacterium
  14. Cell
  15. Microscopic view of a leukemia cell
  16. Antibody, artwork
  17. Scanning electron micrograph of HIV particles infecting a human H9 T cell
  18. Sickle cell anaemia
  19. Common House Mosquito, SEM
  20. Liver proteins
  21. Paramecium protozoa, light micrograph
  22. Dog Flea Head, SEM
  23. Colorized scanning electron micrograph of filamentous Ebola virus particles
  24. Cartilage cells, TEM
  25. Scanning electron micrograph of an apoptotic HeLa cell
  26. Metabolic enzyme, artwork
  27. Conceptual image of platelet, red blood cell and white blood cell
  28. Cell
  29. Electronic and biologic systems, artwork
  30. Thyroid cancer cells
  31. Cell
  32. Conceptual image of DNA
  33. Cell
  34. Conceptual image of DNA
  35. Cells
  36. Thornback Ray, X-Ray
  37. Conceptual image of chromosome
  38. Spirogyra algae, light micrograph
  39. Conceptual image of DNA
  40. Conceptual image of influenza causing flu
  41. Scanning electron micrograph of just-divided HeLa cells
  42. Microscopic view of blood clotting inside the artery
  43. Cell
  44. Section through a pine needle, LM
  45. Chromatin beads, artwork
  46. Chrysanthemum flower bud light micrograph
  47. Fluid aspirate from staph infection
  48. Conceptual image of DNA