What was the transforming principle identifie | vedclass

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(B) Oswald Avery,Colin MacLeod,and Maclyn McCarty worked to determine the biochemical nature of the 'transforming principle' in Griffith's experiment.

Vedclass · Accepted Answer

$DNA$

Vedclass · Answer

(B) Oswald Avery,Colin MacLeod,and Maclyn McCarty worked to determine the biochemical nature of the 'transforming principle' in Griffith's experiment.They purified biochemicals (proteins,$DNA$,$RNA$,etc.) from the heat-killed $S$ strain of Streptococcus pneumoniae.They discovered that $DNA$ alone from the heat-killed $S$ strain caused the transformation of non-virulent $R$ strain bacteria into virulent $S$ strain bacteria.They also observed that protein-digesting enzymes (proteases) and $RNA$-digesting enzymes (RNases) did not affect transformation,whereas $DNA$-digesting enzymes (DNases) inhibited the process.Thus,they concluded that the genetic material is $DNA$.

What was the transforming principle identified by Avery,MacLeod,and McCarty in Pneumococcus?

Similar Questions

Which enzyme inhibits the process of transformation?

$A$ molecule that acts as genetic material must fulfill the following criteria,$EXCEPT$:

Select the correct option for the $R$ strain of bacteria.

Select the incorrect statement.

What did Avery,MacLeod,and McCarty conclude from their experiment?

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