How Do We Know That It Is a Toxin That

question 53

Multiple Choice

How do we know that it is a toxin that Vibrio produces that causes the symptoms of cholera?

• A) There's nothing else that could cause symptoms so severe.
• B) All pathogenic bacteria produce toxins; that's why they're pathogenic.
• C) An antitoxin can be used to treat the disease.
• D) Experiments with people ingesting the toxin itself result in the same symptoms.
• E) Experiments with mice ingesting the toxin itself result in the same symptoms.

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Definitions:

Coniferous Forest

A type of biome characterized by evergreen trees that have needles and produce cones, typically found in northern latitudes.

West Coast

A term often used to refer to the western coastal areas of a continent, particularly the western coast of the United States.

Subsoil

The layer of soil lying immediately under the topsoil, often richer in minerals but poorer in organic material, and critical for water drainage and aeration.

Tundra

A biome characterized by cold temperatures, low precipitation, a short growing season, and a lack of trees, found in high latitudes and atop mountains.