the mere presence of a nucleus is considered one of the defining features of a eukaryotic cell. This structure is so important because it is the site at which the cell's DNA is housed and the ...

The first high-resolution, three dimensional (3D) visualization of a complete eukaryotic cell has been revealed ... Thus, it was possible to investigate the structure–function relationship ...

Bacteria are amongst the simplest of organisms – they are made of single cells. Their cell structure is simpler than the cells of animals, plants and fungi.