Polio Virus has _________.

ss DNA

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RNA

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Both DNA and RNA

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Coiled nucleolus

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Solution

The correct option is B RNA
Poliovirus, the causative agent of polio is a member virus of Enterovirus C, in the family of Picornaviridae. Poliovirus is composed of an RNA genome and a protein capsid. The genome is a single-stranded positive-sense RNA genome that is about 7500 nucleotides long.
So, the correct answer is 'RNA'

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