Oswald T. Avery, Colin M. MacLeod and Maclyn McCarty demonstrated that ………………..
A. transformation of live S-strain bacteria into R-strain type was because of DNA of bacteria of S-strain.
B. the transforming substance was either a protein or RNA.
C. only DNA was able to transform harmless R-strain into virulent S-strain.
D. when DNA isolated from S-strain bacteria, was digested with DNase, the transformation occurred.
Answer:C
Oswald T. Avery, Colin M. MacLeod and Maclyn McCarty demonstrated that ………………..
A. transformation of live S-strain bacteria into R-strain type was because of DNA of bacteria of S-strain. B. the transforming substance was either a protein or RNA. C. only DNA was able to transform harmless R-strain into virulent S-strain. D. when DNA isolated from S-strain bacteria, was digested with DNase, the transformation occurred.