Question

Oswald McLeod and McCarty determined the nature of the genetic material by using a similar experimental setup to Griffith’s and systematically destroying DNA, RNA and protein of the virulent cells. Which finding describes the results of their experiments?
A. Virulent cells always transformed nonvirulent cells
B. When RNA was destroyed; virulent cells did not transform nonvirulent cells
C. When DNA was destroyed; virulent cells did not transform nonvirulent cells
D. When protein was destroyed, virulent cells did not transform nonvirulent cells