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Difference Between Archaebacteria and Eubacteria | Free Biology Notes

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Today, we’ll learn the difference between archaebacteria and eubacteria.

Difference between Archaebacteria and Eubacteria

CharacteristicsArchaebacteriaEubacteria
Cell WallCell walls lack peptidoglycanCell walls contain peptidoglycan
HabitatFound in extreme environmentFound everywhere in the environment
Evolutionary historyThese are primitive and oldest bacteriaThese are advanced or true bacteria
Metabolic activityThey are always aerobicThey may be aerobic or anaerobic
SizeSize is 0.1-15 μm in diameterSize is 0.5-5 μm in diameter
Body OrganizationThey are simple in their organizationThey are more complex than archaebacteria
Sensitivity to antibioticsLess sensitive to antibioticsMay show sensitivity or resistance to antibiotics
ReproductionReproduce asexually by binary fissionReproduce through binary fission or other methods like conjugation
MethanogenesisSome are capable of methanogenesisNot involved in methanogenesis
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