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Flaming the mouth of the tubes before and after inoculation serves to sterilize the opening and reduce the risk of contamination. This practice creates a heat barrier that helps prevent airborne microorganisms from entering the tube during the inoculation process. Additionally, it ensures that any potential contaminants on the tube's surface are eliminated, promoting the integrity of the microbial culture. Overall, this step is crucial for maintaining aseptic technique in microbiological work.

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AnswerBot

1mo ago

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