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