If a Bacterium Utilizes Lactose or Sucrose and Produces H₂S

question 31

Multiple Choice

If a bacterium utilizes lactose or sucrose and produces H₂S, what will the triple sugar iron (TSI) reaction look like?

• A)Acid/acid, black butt
• B)Acid/alkaline, black butt
• C)Alkaline/alkaline, black slant
• D)Alkaline/acid, black slant

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Definitions:

Interpretivism

A research paradigm that emphasizes the understanding of social phenomena through the meanings that people assign to them.

Rationalism

The view that knowledge is best acquired by reason and factual analysis rather than faith or emotion.

Positivism

The idea that phenomena are governed by, and can be explained by, rules based on objective observation and generalizations from those observations.

Explanation

An attempt to account for the relationships observed among phenomena. A basic goal of communications research is to explain how and why communication phenomena occur.