Why Have Some Microbiologists Proposed Using Ribosomal RNA as the Basis

question 59

Multiple Choice

Why have some microbiologists proposed using ribosomal RNA as the basis for defining bacterial species?

• A) Bacteria are not interbreeding populations, and ribosomal RNAs are highly conserved genes present in all prokaryotes.
• B) Ribosomal RNAs are highly conserved genetic sequences present in all prokaryotes.
• C) Ribosomal RNA is the basis for domain assignment.
• D) Bacteria vary too little in their physical and biochemical traits.
• E) The "interbreeding population" criterion does not apply to bacteria.

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