Questions
1. To establish the transforming principle as DNA, which enzymes were used by Avery et al?
I. DNAases II. RNAases
III. Proteases IV. Lipases
a
I, II, IV
b
III, II
c
I, II, III, IV
d
II, I, III
detailed solution
Correct option is D
Avery etal isolated the biochemicals from heat killed S strain. These biochemicals were DNA, RNA and Protein. To establish which biochemical was responsible for converting R strain to S strain they used DNase, RNase and Protease and found no transformation of R strain to S strain when DNase was used which destroys DNA. When they used Proteases and RNase they found transformation.Talk to our academic expert!
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