Prokaryotic Cells

PRO KARY NO CARRY!

Prokaryotes	Eukaryotes
Small (2 µm)	Larger (10-100 µm)
Circular DNA	Linear (usually double helix)
No Nucleus (DNA is free in cytoplasm)	Nucleus present with DNA inside
Cell wall made of polysaccharides, no cellulose or chitin	No cell wall (in animals). Cellulose cell wall (in plants) Chitin cell wall (in fungi)
No membrane bound organelles	Many organelles
Flagella (when present) is made of flagellin, arranged in a helix	Flagella (when present) is made of microtubule proteins arranged in 9+2 formation
Small ribosomes	Larger ribosomes
Example: E.coli bacterium	Example: Human Liver Cell

Bacterial Cells