Bacillus megaterium bacterial colony, coloured scanning electron micrograph (SEM). This rod-shaped Gram positive bacteria is found in soil. It is one of the biggest bacterial cells, measuring up to four micrometres in length. Because of this it is a popular organism for bacterial research. Magnification: x2000 when printed at 10 centimetres wide | |
Licence : | Libre de droits |
Crédit: | Science Photo Library / Gschmeissner, Steve |
Model Release : | Non requis |
Restrictions : | - |