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  1. Laboratory vessels on drying rack
  2. Scanning electron micrograph of HIV particles infecting a human H9 T cell
  3. DNA
  4. Conceptual image of DNA
  5. Scanning electron micrograph of an apoptotic HeLa cell
  6. Human evolution, artwork
  7. Conceptual image of DNA
  8. Gregor Mendel, caricature
  9. Conceptual image of DNA
  10. Viral transfer of bacterial DNA, artwork
  11. Cell cultures
  12. DNA Strand, Illustration