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प्रश्न
What had happened when heat-killed S cells along with the live R cells were injected into mice?
विकल्प
mice survived and showed live S cells
mice died and showed live S cells
mice survived and showed live R cells
mice died and showed live R cells
MCQ
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उत्तर
Mice died and showed live S cells
Explanation:
The transforming principle from the heat-killed S cells transformed live R cells into virulent S cells. The mice died, and live S cells were recovered.
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