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Glossary Term
Glossary Term Virus
Definition A noncellular biological entity that requires a host cell for reproduction. Viruses consist of a nucleic acid genome that is either DNA or, in the case of retroviruses, RNA. The viral genome is covered with a protein coat; some viruses have a host-derived membrane over the protein coat.

Contributing Projects:
Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB), Gene Ontology (GO)
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last database update
MGI 6.17
The Jackson Laboratory