It Has Been Suggested That the Allele for Cystic Fibrosis

question 66

Multiple Choice

It has been suggested that the allele for cystic fibrosis may confer some protection against

• A) tuberculosis.
• B) malaria.
• C) bacterial diarrhea.
• D) typhoid fever.
• E) bacterial diarrhea and typhoid fever only.

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Definitions:

Human Health

The state of complete physical, mental, and social well-being, not merely the absence of disease or infirmity.

Acid Rain

Precipitation with a lower pH than normal, caused by emissions of sulfur dioxide and nitrogen oxides from industrial processes and vehicles, which can harm ecosystems and human-made structures.

Secondary Pollutants

Pollutants that are not emitted directly into the air, but form when primary pollutants react in the atmosphere.

Earth's Surface

The outermost layer of the Earth, encompassing both land masses and water bodies.