“the transforming principle could not be made of DNA because nucleic acids were all alike. As” — Matthew Cobb Copy Share Image
“Every result converged on the same conclusion: the transforming principle was composed of DNA. The discussion section of the article outlined the… — Matthew Cobb Copy Share Image
“By the end of the 1940s, it was widely known that the levels of protein in the transforming principle were effectively zero.” — Matthew Cobb Copy Share Image