A Microbiologist Gram Stains a Bacterium and Finds the Bacterium

question 48

Multiple Choice

A microbiologist gram stains a bacterium and finds the bacterium to be blue to purple in color,this identifies:

• A)The bacterium as gram positive
• B)The species of bacterium
• C)The bacterium as gram negative
• D)The bacterium as a bacterium that causes human disease

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Definitions:

Luxury Good

A product that is not necessary for basic survival but is deemed as highly-desirable within a culture or society, often associated with wealth or quality.

Income Elasticity

A measure of how the demand for a good or service changes in response to changes in consumer income.

Homothetic Preferences

A situation in consumer theory where a consumer's preference structure can be represented by a utility function that is proportionally scalable.

Engel Curve

A graphical representation that shows the relationship between income and the demand for a good or service, keeping all other factors constant.