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John Tyndall's Experiment

2. Disproving Spontaneous Generation / John Tyndall's Experiment / Problem 1

What did John Tyndall discover that made him classify bacteria into two categories?

A

Some microbes grew in nutrient-deprived cultures.

B

Some microbes grew in the absence of oxygen.

C

Some microbes grew after sterilizing the flask.

D

Some microbes grew after an antibiotic was introduced in the culture.

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