Respuesta :
Answer:
By difference in there ribosomal RNA sequence
Explanation:
Both bacteria and archaea lack membrane-bound nucleus and earlier both are considered in the same categories. Carl Woese was the scientist who discovered that bacteria and archaea are not similar.
Carl Woese and his lab members checked the ribosomal RNA in some archaeans and concluded that the archaeans are more closely related to eukaryotes than bacteria. After the study on archean Carl Woese classified the prokaryotes into two domains i.e., bacteria and archaea.
Therefore by difference in the ribosomal RNA sequence archaeons first distinguished from other prokaryotes.
They were distinguished from other prokaryotes through the differences in ribosomal RNA sequences.
• The cell wall composition varies between bacteria and archae. The archae are the single-celled prokaryotes that possess distinct molecular features, which separates them from bacteria and other prokaryotes.
• An American microbiologist named Carl Woese based on the analysis of ribosomal RNA suggested that prokaryotes in reality comprises two distinct lineages, that is, archae and bacteria.
• Carl Woese along with his colleagues examined the ribosomal RNA in some archaeans and discovered that archae are most closely associated with eukaryotes than to bacteria.
Thus, based on Carl Woese ribosomal RNA study experiments he suggested that archaeans vary from other prokaryotes.
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