Pasteur's Swan Neck Experiment
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This template shows the four stages of Pasteur's swan neck flask experiment, from boiling sterile broth and trapping airborne microbes in the curved neck, to breaking the neck and observing that microbes then contaminate the broth. Each stage is labeled sterile or contaminated to demonstrate that microbial growth requires exposure to airborne organisms rather than spontaneous generation.
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This template shows the four stages of Pasteur's swan neck flask experiment, from boiling sterile broth and trapping airborne microbes in the curved neck, to breaking the neck and observing that microbes then contaminate the broth. Each stage is labeled sterile or contaminated to demonstrate that microbial growth requires exposure to airborne organisms rather than spontaneous generation.