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Home Q & A Board Biology-Related Homework Help Cell Biology
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colleen colleen
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12 years ago
When a fecal sample is collected from an ill patient, how is each of the following identified:  bacterial cell, eukaryotic protist, and virus?
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Sunshine ☀ ☼

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12 years ago
Bacterial cells can be cultured on selective media from a fecal sample, and biochemical tests can follow to identify which bacterial pathogen(s) are present. Eukaryotic protists and viruses are generally not propagated in a lab for clinical diagnostics. Pathogenic protists are often identified via microscopy. All three groups can be identified through molecular diagnostics as well, such as the use of Northern, Southern, and Western blots, real-time polymerase chain reaction (qPCR), and reverse transcriptase (RT)-PCR.
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