Bacteria and radiation tolerance
Deinococcus radiodurans, visualized in this false color transmission electron micrograph, is a prokaryote that can tolerate very high doses of ionizing radiation. It has developed DNA repair mechanisms that allow it to reconstruct its chromosome even if it has been broken into hundreds of pieces by radiation or heat.
Source
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"OpenStax College, Prokaryotic Diversity. October 16, 2013."
http://cnx.org/content/m44603/latest/Figure_22_01_04.jpg
OpenStax CNX
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