28. In trying to determine whether DNA or protein is the genetic material, Hershey and Chase made use of which of the
following facts?
(A) DNA contains sulfur, whereas protein does not
(B) DNA contains phosphorus, but protein does not
(C) DNA contains nitrogen, whereas protein does not
(D) DNA contains purines, whereas protein includes pyrimidines
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統計: 尚無統計資料
統計: 尚無統計資料