Whereas old dependency theory was Marxist in presentation, but nationalist in orientation, seeking to combine a theory of class struggle with a nationalist âthird worldistâ ideology, the new dependency theory is institutionalist in its analysis and political orientation.
Griffith concluded that the type II-R had been transformed into the lethal III-S strain by a transforming principle that was somehow part of the dead III-S strain bacteria. Today, we know that the transforming principle Griffith observed was the DNA of the III-s strain bacteria. While the bacteria had been killed, the DNA had survived the heating process and was taken up by the II-R strain bacteria. The III-S strain DNA contains the genes that form the protective polysaccharide capsule.
1 50. 2  Polymerase Chain Reaction (PCR) Is a method in which multiple repetitions of DNA replication are performed in a test tube. 3  Mix in test tube: DNA template DNA to be amplified Primers one complementary to each strand Nucleotides dATP,d GTP, dCTP, and dTTP DNA polymerase heat stable form from thermophilic bacteria. 50. 2  Polymerase Chain Reaction (PCR) Is a method in which multiple repetitions of DNA replication are performed in a test tube. 3  Mix in test tube: DNA template DNA to be amplified Primers one complementary to each strand Nucleotides dATP,d GTP, dCTP, and dTTP DNA polymerase heat stable form from thermophilic bacteria.