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

question 57

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

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Definitions:

Oral

Pertaining to the mouth, or in psychoanalytic terms, relating to the first stage of psychosexual development involving pleasures and frustrations associated with the mouth.

Anal

Relating to the anus. In a psychological context, it often refers to Freud's theory of psychosexual development during the anal stage.

Aggression

Behavior intended to harm or injure another individual, whether physically, verbally, or psychologically.

Hypothesis

A hypothesis is a proposed explanation for a phenomenon, based on limited evidence as a starting point for further investigation.