In plant and fungal cells, vacuoles help maintain cell structure. All eukaryotic cells have a cell membrane, also known as a plasma membrane. It consists of a phospholipid bilayer that contains ...

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 ...

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.