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In pasteur's swan-neck flask experiment, the importance of the s-shaped curves in the flasks was twofold. the curves allowed entry of air but excluded?

User Match
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1 Answer

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Answer: The exclusion of microbes, such as bacteria and spores.

Step-by-step explanation:

The swan-neck flask broth was able to remain sterile because the "dips" of the flask's neck acted as a reservoir to contain microbes that managed to get in through the open mouth.

User Andrew Monshizadeh
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