| 1. | Poliovirus is composed of an RNA genome and a protein capsid.
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| 2. | The viral capsid is icosahedral and approximately 17 nm in diameter.
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| 3. | The HIV virus contains two strands of RNA in its capsid.
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| 4. | It is noncovalently bound to the neck of the viral capsid.
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| 5. | The capsid faces may consist of one or more proteins.
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| 6. | They underwent an elaborate maturation process involving protein cleavage and capsid expansion.
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| 7. | Viral capsids are often composed of multiples of 60 proteins.
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| 8. | Thus, the capsid reaches the cytosol, decays and releases the genome
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| 9. | This has been studied by examining the ORF1 and the capsid proteins.
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| 10. | Viral capsids can be either helical or icosahedral in shape.
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