Molecular Basis of Inheritance Question 41

41. The transforming principle of Pneuтососиs as found out by Avery, MacLeod and McCarty was

[1993]

(a) mRNA

(b) DNA

(c) protein

(d) polysaccharide

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Answer : b

Hints & Solution

(b) The transforming chemical discovered by Griffith in his experiments with Pneumococcus, was confirmed as DNA by Avery, McLeod and McCarty.