A Microbiologist Makes a Fixed Smear of Bacterial Cells and Stains

question 62

Multiple Choice

A microbiologist makes a fixed smear of bacterial cells and stains them with Loeffler's methylene blue.All the cells appear blue under the oil lens.This is an example of

• A)negative staining.
• B)using an acidic dye.
• C)simple staining.
• D)using the acid-fast stain.
• E)capsule staining.

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Definitions:

John D. Rockefeller

An American industrialist and philanthropist who played a pivotal role in the establishment and growth of the oil industry.

Settlement House Movement

A social reform movement that began in the late 19th and early 20th centuries, aimed at improving the lives of the poor by establishing community centers in urban areas.

Hull House

A settlement house founded by Jane Addams and Ellen Gates Starr in 1889 in Chicago, aimed at improving social and living conditions for immigrants and the poor.

Denis Kearney

An Irish-American immigrant known for his role in the late 19th century as a labor leader in California, advocating against Chinese immigration.