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Virus Classification
![Transmission electron micrograph of viruses](../../../../../../../../../figures.boundless-cdn.com/19069/full/figure-21-01-06abcde.jpeg)
Transmission electron micrograph of viruses
Transmission electron micrographs of various viruses show their structures. The capsid of the (a) polio virus is naked icosahedral; (b) the Epstein-Barr virus capsid is enveloped icosahedral; (c) the mumps virus capsid is an enveloped helix; (d) the tobacco mosaic virus capsid is naked helical; and (e) the herpesvirus capsid is complex.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"OpenStax College, Viral Evolution, Morphology, and Classification. October 16, 2013."
http://cnx.org/content/m44595/latest/Figure_21_01_06abcde.jpg
OpenStax CNX
CC BY 3.0.