Negative staining image of Bacillus thuringiensis, which produces spores and crystals in times of stress. The image was taken using transmission electron microscopy.

Negative staining image of Bacillus thuringiensis, which produces spores and crystals in times of stress. The image was taken using transmission electron microscopy.

Negative staining image of Bacillus thuringiensis, which produces spores and crystals in times of stress. The image was taken using transmission electron microscopy.

Negative staining image of Bacillus thuringiensis, which produces spores and crystals in times of stress. The image was taken using transmission electron microscopy.

Transmission electron microscope image of T4Phage, a bacteriophage that infects Escherichia coli bacteria. This image is part of an image group (CIL:41124-41131).

Transmission electron micrograph of glutaraldehyde fixed pancreatic acinar cell showing the characteristic features of nuclear chromatin with this preparative method. Darkly staining heterochromatin (...

Transmission electron micrographs showing chromosomes in dividing spermatogonia during metaphase in tissue from ram testis (upper panel) and as they begin to separate during early anaphase in tissue f...

Transmission electron micrograph showing part of a decondensed mitotic chromosome. The residual protein 'scaffold' (at bottom) is surrounded by a 'halo' of DNA loops 20 to 24 micrometers long. The en...

Chicken erythrocyte nuclei were allowed to disperse in low salt, centrifuged through formaldehyde onto an EM grid, stained with uranyl acetate, and examined with the Madison 1MeV TEM at 40 KX in darkf...

Transmission electron micrographs showing annulate lamellae from a frog oocyte. Annulate lamellae consist of stacked sheets of membrane containing closely packed structures resembling nuclear pores a...