Concept
Version 7
Created by Boundless
Discovery and Detection of Viruses
![The structure of the icosahedral cowpea mosaic virus](../../../../../../../../../figures.boundless-cdn.com/30570/full/cowpeamosaicvirus3d.jpg)
The structure of the icosahedral cowpea mosaic virus
In the past, viruses were classified by the type of nucleic acid they contained, DNA or RNA, and whether they had single- or double-stranded nucleic acid.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"CowpeaMosaicVirus3D."
http://en.wikipedia.org/wiki/File:CowpeaMosaicVirus3D.png
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CC BY-SA 3.0.