Bacteria are amongst the simplest of organisms - they are made of single cells. Their cell structure is simpler than the cells of eukaryotes and cells are smaller, most are 0.2 μm - 2.0 μm.
These cells do not contain membrane bound organelles such as a nucleus and mitochondria.
Bacterial cells are called prokaryotic cells.
Prokaryotes and eukaryotes have some structures in common.
Prokaryotes have features such as:
The types of cell compared:
|Feature||Animal cell||Plant cell||Prokaryotic cell|
|DNA free in cytoplasm||×||×||✔|