native dna造句

We have already seen that native DNA is usually found to be superhelical.
The methylation of native DNA acts as a sort of primitive immune system, allowing the bacteria to protect themselves from infection by bacteriophage.
:it is quite common in RNA . not sure about in native DNA, but it can obviusly occur in DNA-like molecules containing unnatural bases.
Adjacent to one of those gene fragments is another stretch of DNA that Monsanto, in its report to regulators last year, had assumed was the soybean's native DNA.
A synthetic genome has been transferred into an existing bacterium where it replaced the native DNA, resulting in the artificial production of a new " M . mycoides " organism.
It's difficult to find native dna in a sentence. 用native dna造句挺难的

They interpreted their data as supporting the possibility that the two strands inside the native DNA double helix are winding ambidextrously rather than plectonemically, with left-handed and right-handed regions coexisting in a zero linking number topoisomer.
In 1997, the structure of the I-CreI protein was determined, and in 1998, its crystal structure bound to its native DNA homing site was solved, greatly aiding research in altering the homing site recognition of the protein.
The results of this investigation were not accepted by some authors, who agreed that it was established satisfactorily that " Form V " is different from native DNA, but did not establish that " Form V " has the SBS structure.
The simplest explanation of this effect by the toxin is probably one which states that stabilization is caused by strong and preferential binding of cyclobuxine molecules to certain sites on the native DNA B helix, presumably involving a bridged structure using both amino groups.
Then, he reasoned, its properties could be ascertained, and then shown to be abnormal with respect to the known properties of native DNA . An investigation by Stettler " et al " . followed closely on the heels of the Crick suggestion.