In His Work with Pneumonia-Causing Bacteria and Mice, Griffith Found

question 46

Multiple Choice

In his work with pneumonia-causing bacteria and mice, Griffith found that

• A) the protein coat from pathogenic cells was able to transform nonpathogenic cells.
• B) heat-killed pathogenic cells caused pneumonia.
• C) some substance from pathogenic cells was transferred to nonpathogenic cells, making them pathogenic.
• D) the polysaccharide coat of bacteria caused pneumonia.
• E) bacteriophages injected DNA into bacteria.

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Definitions:

Passive Behavior

A tendency to submit to situations or others’ desires without adequate resistance or assertiveness, often avoiding conflict or responsibility.

Passive-aggressive Behavior

A pattern of indirectly expressing negative feelings instead of openly addressing them.

Research Group

A team focused on conducting detailed studies and experiments in a specific area of knowledge.

Isolator

A device or piece of equipment designed to separate, detach, or insulate a particular object or area from its surroundings.