| 31. | 1 ) Icosahedral-An icosahedron is a polygon with 12 vertices and 20 faces.
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| 32. | Icosahedral symmetry is identical to cubic symmetry.
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| 33. | The quasicrystal has a composition of Al 63 Cu 24 Fe 13 and icosahedral symmetry.
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| 34. | There are many symmetric forms, and the ones with highest symmetry have icosahedral symmetry:
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| 35. | Metagenomic evidence suggests that microviruses ( icosahedral ssDNA phages ) are particularly prevalent in marine habitats.
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| 36. | The capsid has icosahedral symmetry, is non-enveloped and around 70 nm in diameter.
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| 37. | ;Icosahedral : Most animal viruses are icosahedral or near-spherical with chiral icosahedral symmetry.
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| 38. | ;Icosahedral : Most animal viruses are icosahedral or near-spherical with chiral icosahedral symmetry.
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| 39. | ;Icosahedral : Most animal viruses are icosahedral or near-spherical with chiral icosahedral symmetry.
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| 40. | These all have icosahedral symmetry and may be obtained as stellations of the dodecahedron and the icosahedron.
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