TLS Online TPP Program

#Question id: 3782


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

#Section 3: Genetics, Cellular and Molecular Biology
  1. the protein coat from pathogenic cells was able to transform nonpathogenic cells.

  2. heat-killed pathogenic cells caused pneumonia.

  3. some substance from pathogenic cells was transferred to nonpathogenic cells, making them pathogenic.

  4. the polysaccharide coat of bacteria caused pneumonia.