Light micrograph of Rhodospirillum rubrun (spiral bacteria), nitrogen fixing bacteria. Magnification: 800x at 2 1/4 film size. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Science Source / Walter Dawn |
Taille de l’image : | 4180 px × 4182 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |