Louis Pasteur's Experiments Disproving Spontaneous Generation Were Different from John

question 3

Multiple Choice

Louis Pasteur's experiments disproving spontaneous generation were different from John Needham's in which important way?

• A) The necks of the flasks Pasteur used were bent into an S-shape and left open to the air.
• B) Pasteur boiled infusions to kill any microbes present.
• C) The necks of Pasteur's flasks were bent into an S-shape and then melted to seal them.
• D) Pasteur used meat broths instead of infusions.
• E) The flasks Pasteur used were sealed with corks.

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