In Griffith's transformation experiments,
A) mice infected with heat-killed S form and live R form caused pneumonia and death in the mice.
B) the S form lacked an enzyme involved in the manufacture of the polysaccharide coat, leading to the abnormally smooth colonies.
C) mice infected with live R form caused pneumonia and death in mice.
D) the R form transformed the S form into a virulent variety of the bacteria.
Ans: A) mice infected with heat-killed S form and live R form caused pneumonia and death in the mice.
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