When Avery and his colleagues had obtained what was concluded to ...

Question

When Avery and his colleagues had obtained what was concluded to be the transforming factor from the IIIS virulent cells, they treated the fraction with proteases, RNase, and DNase, followed in each case by the assay for retention or loss of transforming ability. What were the purpose and results of these experiments? What conclusions were drawn?

Accepted Answer

Hello, everyone and welcome to today's video. So in the, every MacLeod and mccarty experiment, which enzyme destroyed the transforming activity of the hit kill virulent bacterial cells. Now, in order to solve this problem, we're going to be using the following diagram that we have here explaining the experiment. As we can see, we began with these cells our place in a liquid medium, then we centrifuge, he killed and homogenize the cell until we reach the stage of adding certain enzymes to test, to test the transforming activity of the medium of bacterias. And here are the test for transformations in terms of the results. So when we treated them, we proteus this transformation still occur. So this enzyme did not destroy the transforming activity of the bacteria and we're going to cancel it out. Then when we then we tested for rival nucleus is, and as we can see transformation still occurred as a result, we're going to be canceling this out as well. Finally, we have the oxy bible nucleus is and as we can see, transformation did not occur. So this enzyme killed the transforming activity of these violent bacterial cells. Because of this, we're going to highlight answer choice c as the final answer to our question, I really hope this helped you and I hope to see you on the next one.

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