A Sample of Milk Is Tested for Its Bacterial Content

question 22

Multiple Choice

A sample of milk is tested for its bacterial content in a plate count assay. A one -milliliter sample of the milk is diluted in a 1:10 dilution series. One milliliter of the third dilution tube is plated in a pour plate. After incubation, the plate has 54 colonies, indicating that the original milk sample contained

• A) 54,000 cells per milliliter.
• B) 540,000 cells per milliliter.
• C) 5,400 cells per milliliter.
• D) 540 cells per milliliter.
• E) 54 cells per milliliter.

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Definitions:

Belgium

A country in Western Europe known for its medieval towns, Renaissance architecture, and as the headquarters of the European Union and NATO.

Nationalist Concept

The idea or ideology that emphasizes loyalty, devotion, or allegiance to a nation and its interests, often leading to the desire for national independence or heightened sovereignty.

Wartime Propaganda

The use of media and communication techniques during war to influence public opinion, mobilize the public, and sustain support for military actions and goals.

Greater Germany

A political concept that sought to unify all German-speaking peoples under one nation-state, extending beyond the boundaries of the then-existing German Confederation.