Prokaryotes | Eukaryotes | |
Type of Cell | Always unicellular | Unicellular and multi-cellular |
Cell size | Ranges in size from 0.2 μm – 2.0 μm in diameter | Size ranges from 10 μm – 100 μm in diameter |
Cell wall | Usually present; chemically complex in nature | When present, chemically simple in nature |
Nucleus | Absent | Present |
Ribosomes | Present. Smaller in size and spherical in shape | Present. Comparatively larger in size and linear in shape |
DNA arrangement | Circular | Linear |
Mitochondria | Absent | Present |
Cytoplasm | Present, but cell organelles absent | Present, cell organelles present |
Endoplasmic reticulum | Absent | Present |
Plasmids | Present | Very rarely found in eukaryotes |
Ribosome | Small ribosomes | Large ribosomes |
Lysosome | Lysosomes and centrosomes are absent | Lysosomes and centrosomes are present |
Cell division | Through binary fission | Through mitosis |
Flagella | The flagella are smaller in size | The flagella are larger in size |
Reproduction | Asexual | Both asexual and sexual |
Example | Bacteria and Archaea | Plant and Animal cell |