Why did Avery and colleagues use RNase in their studies of the bacterial transforming substance?
A) To serve as a positive experiment
B) To develop a vaccine against pneumonia
C) To eliminate the possibility that RNA was the transforming substance
D) To prove that DNA was the transforming substance
E) To prevent other infections

Question

Quizplus · Accepted Answer

Avery and colleagues used RNase to eliminate the possibility that RNA was the transforming substance. By treating the bacterial extract with RNase, they could determine whether the transformation was still taking place, indicating that the substance responsible for transformation was not RNA.

Why Did Avery and Colleagues Use RNase in Their Studies