VIRUSES
Electron micrograph of the tobacco mosaic virus. Primary magnification 30 000×.
Adenoviruses organized into a crystaloid formation. Electron micrograph, prim. mag. 50 000×.
Herpes viruses. Electron micrograph, prim. mag. 100 000×.
Bacteriophages – viruses attacking bacteria. Electron micrograph, prim. mag. 100 000×.
BACTERIA
A small bacterial colony accompanying brown colored spores of a slime mould. Photomicrograph, prim. mag. 400×.
Spirilliform bacteria from the mouth. Photomicrograph, prim. mag. 2000×.
A mouth bacteria with a flagellum. Electron micrograph, prim. mag. 8000×.
Proteus hauseri with multiple flagella. Electron micrograph, prim. mag. 20 000×.
Streptococci. Electron micrograph, prim. mag. 20 000×.
Bacteriophages attached to a staphylococcus. Electron micrograph, prim. mag. 30 000 ×.
An ultrathin section through a bacteria. No nucleus or organelles are formed, the nuclear material is dispersed in the cytoplasm. Electron micrograph, prim. mag. 40 000×.
