53.1 MB (2.7 MB compressed)
5292 x 3505 pixels
44.7 x 29.7 cm ⏐ 17.6 x 11.7 in (300dpi)
WIM VAN EGMOND / SCIENCE PHOTO LIBRARY WIM VAN EGMOND / SCIENCE PHOTO LIBRARY
Light micrograph of a colony of the fungus Penicillium chrysogenum growing in a Petri dish. This fungus is a source of the antibiotic penicillin G, which can be seen as spherical droplets of exudate (extrolite, yellow) on the colony's surface.
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