Question: A cell-free extract is prepared from Type IIIS pneumococcal cells. What effect will treatment of this extract with (a) Protease, (b) RNase, and (c) DNase

A cell-free extract is prepared from Type IIIS pneumococcal cells. What effect will treatment of this extract with 

(a) Protease, 

(b) RNase, and 

(c) DNase have on its subsequent capacity to transform recipient Type IIR cells to Type IIIS? Why?

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