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In the light of recent classification of living organisms into three domains of life (bacteria, archaea and eukarya), which one of the following statements is true about archaea?
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- Archaea resemble eukarya in all respects
- Archaea have some novel features that are absent in other prokaryotes and eukaryotes
- Archaea completely differ from both prokaryotes and eukaryotes
- Archaea completely differ from prokaryotes.
Correct Option: B
A domain of prokaryotic organisms containing the archaebacteria including the methanogens, which produce methane; the thermoacidophilic bacteria, which live in extremely hot and acidic environments, & the halophilic bacteria, which can only function at high salt concentrations are abundant in the world’s oceans.
