When McLeod, Avery and McCarty experimented to establish the chemical nature of the 'Transforming Principle',
When McLeod, Avery and McCarty experimented to establish the chemical nature of the 'Transforming Principle', which of the following statement/s helped them reach their conclusion?
1: Proteases did not affect transformation
2: DNases did not affect transformation.
3: RNases did not affect transformation.
4: The R strain could synthesise the polysaccharide coat.
A. only 1 and 2
B. only 1 and 3
C. only 1, 3 and 4
D. only 2,3 and 4
5 views