Which finding is most surprising from Griffith’s experiments?
A) S strain cells are isolated from the blood of mice infected with heat-killed S strains and live R strains.
B) R strain cells fail to produce a capsule.
C) S strains are able to escape phagocytosis.
D) S strain cells kill the mice.

Question

Which finding is most surprising from Griffith's experiments? 
 A) S strain cells are isolated from the blood of mice infected with heat-killed S strains and live R strains. 
 B) R strain cells fail to produce a capsule. 
 C) S strains are able to escape phagocytosis. 
 D) S strain cells kill the mice.

Sourav Pan · Answer

A) S strain cells are isolated from the blood of mice infected with heat-killed S strains and live R strains: This result was unexpected as the R strain cells appeared to be transformed into virulent cells by acquiring the S strain DNA.

Which finding is most surprising from Griffith’s experiments? A) S strain cells are isolated from the blood of mice infected with heat-killed S strains and live R strains. B) R strain cells fail to produce a capsule. C) S strains are able to escape phagocytosis. D) S strain cells kill the mice.

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