The Gene That Codes for the Bacterial 16s RNA Molecule

question 56

Multiple Choice

The gene that codes for the bacterial 16s RNA molecule is highly conserved across species, but also contains hypervariable regions that are highly species-speci?c. FISH analysis of rRNA is bene?cial because ______.

• A) it can narrow down the list of potential infectious organisms to three or four
• B) it can precisely identify the 16s sequences from patient samples without the lag time it takes to culture the organism
• C) it is much cheaper than traditional analytical methods
• D) it incorporates both direct testing and serological testing for added accuracy

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