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World 4 · Build a Virus · 14 min · PRO

Capsid geometry: why icosahedra?

20 faces, 12 corners, 60 copies

PRO · Microbe Zoo

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The first world of Microbe Zoo is free. PRO opens the other 27 lessons in 6 worlds — simulations, quizzes and all.

  • A virus is not a cell
  • Hijack: the lytic cycle
  • Lytic or lysogenic? The patient strategy
  • Why viruses keep changing
  • The soap molecule
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