Why is E. coli considered a prokaryotic cell?

Escherichia coli is considered as prokaryotic cell because it is devoid of double membranous cell organelles such as nucleus, mitochondrion, chloroplast, endoplasmic reticulum and golgi bodies. The cytoplasm of the cell of E. coli contains 70S ribosomes. read more

Escherichia coli is considered as prokaryotic cell because it is devoid of double membranous cell organelles such as nucleus, mitochondrion, chloroplast, endoplasmic reticulum and golgi bodies. The cytoplasm of the cell of E. coli contains 70S ribosomes. A single chromosome exist as naked DNA thread which is circular in shape. read more

As E. coli belongs to this category [its genetic material which includes genomic DNA (in the form of single-stranded DNA) and plasmid DNA (small circular DNA molecules in the cytoplasm of the cell) for some strains of E. coli e.g. DH5a] is sequestered in the cytoplasm of the cell in a region known as the nucleoid (rather than a true membrane bound nucleus), we may thus classify E. coli to be a prokaryotic cell. read more

Prokaryotic Cells Bacteria are examples of the prokaryotic cell type. An example is E. coli. In general, prokaryotic cells are those that do not have a membrane-bound nucleus. In fact"pro-karyotic" is Greek for"before nucleus". Besides bacteria, the cyanobacteria (blue-green algae) are a major group of prokaryotes. read more