cruzjustus5 cruzjustus5

24-05-2024
Health

Answered

A scientist observed the formation of bacteria in the chicken broth that was first heated and then put in a sealed flask.
What most likely formed the bacteria?
O Heat that created a vital force to form bacteria
O Mixture of gases in air and glass particles of the container

Answer :

GinnyAnswer GinnyAnswer

24-05-2024

Final answer:

Louis Pasteur's swan-neck experiment disproved spontaneous generation and demonstrated the role of airborne microorganisms in bacterial growth.

Explanation:

Pasteur's Swan-Neck Experiment

Louis Pasteur designed a flask with a swan-neck to prevent airborne microorganisms from contaminating the nutrient broth while allowing O₂ to enter.
The experiment showed that the introduction of microorganisms from the air, not heat, led to bacterial growth in the broth, disproving the theory of spontaneous generation.
This design highlighted the importance of controlling the entry of microbes in studying biogenesis and refuting misconceptions about the origin of life.

Learn more about Louis Pasteur's swan-neck experiment disproving spontaneous generation theory of microorganisms here:

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