How did Oswald Avery and his team of researchers affirm Griffith’s transforming principle?

Question

anonymous · Answer

A-They used a bacteriophage to destroy different compounds in the pneumococcus bacteria, thereby isolating and identifying DNA as the transforming principle.
B-They radioactively tagged different compounds in the virulent S-strain bacteria, thereby isolating and identifying DNA as the transforming principle.
C-They used enzymes to specifically destroy different compounds in the pneumococcus bacteria, thereby isolating and identifying DNA as the transforming principle.
D-hey used radiation to destroy differ
I Think B but neeed help still!!!

anonymous · Answer

it will be c 
 Used DNase, RNase, and protease to try to identify the genetic material