One of the Hypotheses Pasteur Offered to Explain the Emergence

question 4

Multiple Choice

One of the hypotheses Pasteur offered to explain the emergence of microbes in sterilized nutrient solutions was that:

• A) Microbes were deposited by dust particles in the air.
• B) Temperature resistant spores were present in the solution prior to boiling.
• C) Microbes arose from the agency of oxygen on the solution.
• D) The container holding the solution had not been properly sanitized.
• E) Microbes arose from a chemical reaction in the solution.

---

Definitions:

Natural Immunity

The immunity one is born with, providing immediate protection from pathogens through physical barriers, like the skin, and innate immune responses.

Antibodies

Protein substances carried by cells to counteract the effect of an antigen.

Rabies

A viral disease affecting mammals, including humans, causing acute encephalitis and transmitted mainly through the bite of an infected animal.

Unvaccinated Animals

Animals that have not received vaccinations to protect them against specific diseases they are susceptible to.