Differentiate between the three domains of life.
(N/A) The three-domain system,proposed by Carl Woese,classifies life into Archaea,Bacteria,and Eukarya. The differences are summarized below:
| Character | Archaea | Bacteria | Eukarya |
|---|---|---|---|
| Cell type | Prokaryotic | Prokaryotic | Eukaryotic |
| Histones | Present (similar to eukaryotes) | Absent | Present |
| Introns | Present in some genes | Absent | Present |
| Ribosome size | $70S$ | $70S$ | $80S$ (cytoplasmic) |
| Cell wall | Non-peptidoglycan (pseudomurein) | Peptidoglycan | Varies (Cellulose in plants,Chitin in fungi) |
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