original: the exact nature of the transforming principle -lrb- dna -rrb- was verified in the experiments done by avery , mcleod and mccarty and by hershey and chase .
simplifications: the exact nature of the dna was verified in the experiments by avery , macleod , mccarty , hershey and chase . the exact nature of the changing principle -lrb- dna -rrb- was verified in the experiments done by avery , mcleod and mccarty and by hershey and chase . dna was found by avery , mcleod and mccarty , hershey , and chase . 1 . the true nature of the changing principle -lrb- dna -rrb- was verified in the experiments done by avery , mcleod , mccarty , hershey , and chase . the transforming principle -lrb- dna -rrb- was verified in the experiments done by avery , mcleod , mccarty , hershey , and chase . the properties of the transforming principle -lrb- dna -rrb- was confirmed in the experiments done by avery , mcleod and mccarty as well as by hershey and chase . experiments done by avery , mcleod , mccarty and hershey and case , showed the exact nature of the transforming principle -lrb- dna -rrb- . the exact nature of the transforming principle was verified in the experiments done by avery , mcleod and mccarty .