When is the transformation factor used?

Human Biology (MindTap Course List)
11th Edition
ISBN:9781305112100
Author:Cecie Starr, Beverly McMillan
Publisher:Cecie Starr, Beverly McMillan
Chapter21: Dna, Genes, And Biotechnology
Section: Chapter Questions
Problem 8RQ
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When is the transformation factor used?

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Step 1

According to Griffith's experiments, based on the bacterial transformation through the Streptococcus pneumoniae ''S" and "R" strains (S- strains are the smooth but virulent strains, R-strains are the Rough but non-virulent strains) Griffith, tried that the S-Strains gives the infection and the lab animal leads to death whereas the R- strain won't produce any death to the lab animal; but the heat-killed S -strains combined with the R- strain given to the lab animal lead the animal to death. 
S-strain only represent = Death
S+R strain represent = Death
R-strain only represent = Alive

Step 2

From the Griffith Experiment Avery studied which material of the Bacteria transformed to cause the changes. So, he took both the Strains (Heat killed "S" and live "R") and mixed the components of both the strain, and those components are treated with different enzymes and chemicals; after treatment with the enzymes, the components are introduced to the "R" strain, revealed that the DNA is the Genetic Material which transformed from one bacterium to the another.

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