A team is studying microbial contamination in drinking water reservoirs and needs to detect specific pathogenic bacteria in water samples. Since these bacteria are present in low concentrations, the team decides to use fluorescent immunolabeling. Why is fluorescent immunolabeling the BEST choice for this study?

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It selectively binds to target pathogens, increasing specificity and detection efficiency

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It provides a broad estimate of total microbial load, including all bacteria

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It relies on phase-contrast microscopy, allowing visualization without staining

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It enhances contrast of bacterial cell walls, making them easier to count

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A team is studying microbial contamination in drinking water reservoirs and need...

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