If You Wanted to Show That an Infectious Agent Is

question 20

Multiple Choice

If you wanted to show that an infectious agent is a virus, what experiment could you do?

• A) Show that the agent can be seen under a light microscope.
• B) Show that agent contains a lipid membrane.
• C) Show that the agent can form single colonies on an agar plate.
• D) Show that the agent can be diluted and can still cause disease in an animal.
• E) Show that the agent can pass through a porcelain filter and is still infectious.

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Definitions:

21st Century

The century that began on January 1, 2001, and will end on December 31, 2100, marking the current century in the Gregorian calendar.

Recessions

Periods of economic decline when GDP contracts for two consecutive quarters, marked by decreases in spending and investment.

World War II

A global conflict that lasted from 1939 to 1945, involving most of the world's nations and culminating in significant geopolitical changes.

Great Depression

A severe worldwide economic downturn that took place during the 1930s, beginning with the stock market crash of 1929 and leading to widespread unemployment and poverty.