Prokaryotes are unicellular organisms that lack membrane-bound structures. This article details the structure of prokaryotic cells and provides examples of prokaryotic organisms.

More important, these strings were found to be continuous along the bacterial cells passing through the cell–cell junctions. This indicates that the strings serve an important function in maintaining ...

Clusters of a toxic bacterial protein have a surprising structure, differing from similar clumps associated with Alzheimer’s and Parkinson’s in humans, scientists report in the Feb. 24 Science ...