Viruses are made up of nucleic acid genome (DNA or RNA) enclosed in a protein coat called a capsid.
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Viruses are made up of nucleic acid genome (DNA or RNA) enclosed in a protein coat called a capsid. | ||
| Some bacterial viruses (phages) have a head consisting of a capsid and a DNA genome. | Tobacco Mosaic Virus has a helical capsid enclosing its RNA genome. |
HIV (human immunodeficiency virus) has 2 RNA
molecules; a membranous envelope wraps a capsid
and enzymes.
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