Bacteria Are a Commonly Used Organism for Studies of Genetic

question 34

Multiple Choice

Bacteria are a commonly used organism for studies of genetic material in the research laboratory. The nucleic acids must first be isolated from the cells for these studies. Which of the following would most likely be used to lyse gram-positive bacterial cells for nucleic acid isolation?

• A) alcohol
• B) lysozyme
• C) polymixins
• D) water
• E) mycolic acid

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Definitions:

Material Culture

The physical objects, resources, and spaces that people use to define their culture, including buildings, artwork, tools, and clothing.

Ideal Culture

The values, norms, and behaviors that a society or group considers desirable and strives towards, often in contrast to real culture.

Real Culture

The actual behavior patterns and norms practiced by a society, as opposed to the idealized values and norms it professes to follow.

Hegemony

The dominance of one group over others, often manifesting in cultural, social, or economic influence.