12. If Hershey and Chase had used radioactive oxygen in their experiments instead of phosphorus and sulfur, what results would they have likely obtained?
(A) They would have observed a radioactive signal in the pellet only.
(B) They would have observed a radioactive signal in the liquid only.
(C) They would have observed a radioactive signal in both the pellet and the liquid.
(D) They would have not observed radioactivity anywhere.
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統計: 尚無統計資料
統計: 尚無統計資料