Class 12th Biology 2016 Set2 Outside Delhi Board Paper Solution
Question 26
State the contribution of Macleod, McCarty and Avery.
Answer
They (worked on the bio-chemical nature of transforming prin ciple in Griffith's experiment) purified proteins DNA and RNA from heat killed S cells , they discovered protein digesting enzyme(protease)RNA digesting enzyme (RNase) did not affect tra nsformation , Digestion with DNase inhibited transformation , concluded DNA is the here dity material
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