Use the Information in the Following Paragraph to Answer the Question

question 38

Multiple Choice

Use the information in the following paragraph to answer the question.
A hypothetical bacterium swims among human intestinal contents until it finds a suitable location on the intestinal lining. It adheres to the intestinal lining using a feature that also protects it from phagocytes, bacteriophages, and dehydration. Fecal matter from a human in whose intestine this bacterium lives can spread the bacterium, even after being mixed with water and boiled. The bacterium is not susceptible to the penicillin family of antibiotics. It contains no plasmids and relatively little peptidoglycan.
Which of the following statements about the cell wall is most probable?

• A) Its innermost layer is composed of a phospholipid bilayer.
• B) After it has been subjected to Gram staining, the cell should remain purple.
• C) It has an outer membrane of lipopolysaccharide.
• D) It is mostly composed of a complex, cross-linked polysaccharide.

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Definitions:

Protective Optimism

An optimistic outlook that can serve as a psychological buffer against the negative effects of stress or adversity.

Overwhelming Pride

A feeling of excessive self-esteem or self-importance that can lead to arrogance and lack of concern for others.

Intrinsic Motivation

Motivation driven by an interest or enjoyment in the task itself, rather than external pressure or rewards.

Mildred Parten

A researcher known for her work on the social development and play stages of preschool children.