Science
How does a prokaryotic cell differ from a eukaryotic cell? Which evolved first?

Question Description

  1. How does a prokaryotic cell differ from a eukaryotic cell? Which evolved first?

Final Answer

Eukaryotic Cell

Prokaryotic Cell

NucleusPresentAbsent
Number of chromosomesMore than oneOne--but not true chromosome: Plasmids
Cell TypeUsually multicellularUsually unicellular (some cyanobacteria may be multicellular)
True Membrane bound NucleusPresentAbsent
ExampleAnimals and PlantsBacteria and Archaea
Genetic RecombinationMeiosis and fusion of gametesPartial, undirectional transfersDNA
Lysosomes and peroxisomesPresentAbsent
MicrotubulesPresentAbsent or rare
Endoplasmic reticulumPresentAbsent
MitochondriaPresentAbsent


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