| 21. | The virions that leave the cell egress through budding.
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| 22. | The virion has a diameter from 80 to 100 nanometers and is pleomorphic.
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| 23. | The Z protein forms homo oligomers and a structural component of the virions.
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| 24. | Each blister contains infectious virus particles ( virions ).
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| 25. | WYLV virions are 1600 1850 nm in length and 10 nm in diameter.
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| 26. | It has also been shown that tetherin is incorporated into newly formed virions.
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| 27. | The infectious virion contains an inner " core particle " enclosing viral genome.
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| 28. | However, all orthopoxviruses exhibit identical brick-shaped virions by electron microscopy.
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| 29. | With the newly formed virions, more negative sense RNA molecules are produced.
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| 30. | These are used to arrange the virion structure and organize the viral genomes.
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