Microcystis blue-green alga
Numéro d’image : 11526956
| Blue-green algae. Coloured transmission electron micrograph of a dividing cell of the blue-green algae Microcystis aeruginosa (also known as Anacystis cyanea). Newly forming daughter cells are seen. Blue-green algae (cyanobacteria) are primitive algae; in structure they are related to bacteria. They are prokaryotes containing no membrane-bound nucleus; instead,as in bacteria,nuclear material is dispersed throughout the cell. Photosynthetic lamellae (thread-like structures) are primitive chloroplasts. M.aeruginosa cells are found in colonies; they bloom in late summer and may liberate a toxin that kills plankton,fish and birds. Magnification: x15,360 at 6x4.5cm size | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Dowsett, A.B. |
| Taille de l’image : | 2951 px × 2983 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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