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One common method to determine if bacteria are dead is by performing a viability assay, such as the plate count method, which involves culturing the bacteria on a nutrient agar plate and counting the number of colonies that grow. Another method is using a microscope to observe the bacterial cells for signs of damage or disintegration, which may indicate cell death. Additionally, measuring metabolic activity through techniques like ATP bioluminescence can provide insight into bacterial viability.

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9mo ago

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