| 1. | The viral capsid is icosahedral and approximately 17 nm in diameter.
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| 2. | An icosahedral structure can be regarded as being constructed from 12 pentamers.
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| 3. | Various bacterial organelles with an icosahedral shape were also found.
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| 4. | The second type, icosahedral quasicrystals, are aperiodic in all directions.
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| 5. | Interesting examples of carboranes are the extremely stable icosahedral closo-carboranes.
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| 6. | The second most common structure amongst plant viruses are icosahedral shaped particle.
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| 7. | Viral capsids can be either helical or icosahedral in shape.
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| 8. | The two genome segments are encapsulated separately into two different icosahedral particles.
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| 9. | All of the non-enveloped families have icosahedral capsids.
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| 10. | Like the snub dodecahedron, it has chiral icosahedral symmetry.
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