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

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  1. How does a prokaryotic cell differ from a eukaryotic cell? Which evolved first?
Jul 9th, 2014

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


Jul 9th, 2014

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