Question: In 1928, Frederick Griffith discovered that Streptococcus
pneumonia caused pneumonia in mice. In …
| In 1928, Frederick Griffith discovered that Streptococcus pneumonia caused pneumonia in mice. In his experiments, mice were injected with different strains of treated and untreated bacteria. Which of the following did not happen in the series of experiments by Griffith? (Points : 4) |
Mice injected with
living S (pathogenic) strain die.
Mice injected with living
R (nonpathogenic) strain live.
Mice injected with living
R plus heat-killed S die.
Mice injected with living
S plus heat-killed R live.
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