RNA Was First Identified as the Genetic Material of the Tobacco

Multiple Choice

RNA was first identified as the genetic material of the tobacco mosaic virus (TMV) through an experiment in which:

A) Protein and nucleic acid were radioactively labeled
B) Protein, RNA, and DNA were digested using various enzymes
C) The protein coats and RNA from two distinctive TMV strains were exchanged
D) RNA underwent CsCl density-dependent centrifugation
E) None of these