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Eukaryotes and prokaryotes

Eukaryotes and prokaryotes


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Differences and similarities

This article shows schematically in a direct comparison the central similarities and differences of eukaryotic / eucytic, and prokaryotic / protozytic organisms. More details can be found in the main articles on eukaryotes and prokaryotes.

Table: Comparison of eukaryotes and prokaryotes

eukaryotesprokaryotes
cell nameEuzyteProtozyte
ExamplesHumans, animals, mushrooms, algae, protozoaBacteria and archaea
Cell size (Ø)10-50 μm1-20 μm
Proportion of non-coding DNAabout 70-90% (low gene density)5-25% (high gene density)
nucleusavailableunavailable
Place of the genomein the nucleusfloating in the cytoplasm
Storage form of the genomein several chromosomesin the bacterial chromosome and the plasmids
cell compartmentheavily compartmentalizedweakly compartmentalized
ribosomes80 S ribosomes70 S-ribosomes
cell wallPlant cells (+), animal cells (-)available
Possible organelles:Chloroplasts, endoplasmic reticulum, Golgi apparatus, leucoplasts, lysosomes, mitochondria, peroxisomes, ribosomes, vesicles, nucleusChlorosome, Flagellum, Magnetosome, Nucleoid, Plasmid, Ribosomes, Thylakoid
Organs of locomotionGeiЯelflagellum



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