Suppose Pasteur's Swan-Necked Flasks Containing Boiled Broth Became Cloudy 24

question 10

Multiple Choice

Suppose Pasteur's swan-necked flasks containing boiled broth became cloudy 24 hours after boiling. Which choice could best explain the turbidity or cloudiness in the broth without supporting spontaneous generation?

• A) Endospores in the broth survived boiling and grew after the broth cooled.
• B) Contaminating organisms in the broth killed by boiling became alive again after the broth cooled.
• C) Chemicals in the broth came together to form living organisms.
• D) The broth allowed light to pass through it with less interference after boiling.
• E) Solid material in the broth dissolved during boiling.

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