Molecular Biology of the Gene 7th Edition by Richard Losick, James Watson, Michael Levine, Tamara Baker, Alexander Gann

تمرين 8

Avery, MacLeod, and McCarty concluded that DNA contained the genetic information to transform nonpathogenic R (rough) Streptococcus pneumoniae to pathogenic S (smooth) S. pneumoniae. Explain the experimental logic behind treatment of the active purified fraction with dexoyribonuclease, ribonuclease, or proteolytic enzymes.