When a mixture of debris from killed virulent bacteria and living non-virulent bacteria are injected into mice:
A. the mice are killed because the virulent bacteria are revived.
B. the mice survive because none of the living bacteria are virulent.
C. the mice survive for a period of a few weeks and then die from an unrelated illness.
D. half the mice are killed and the other half survive.
E. the mice are killed because the non- virulent bacteria are transformed into virulent bacteria.
Answer E
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