8

The image is correct, although the presentation is confusing because the association of the lines with the axes is not indicated clearly. Plotting on an arithmetic scale (the "normal" sort of axis we all first learn about), an exponentially growing number of cells will result in a line that starts out looking pretty flat and then suddenly shoots up....


6

In general, no. You're trying to reduce the a three-dimensional dynamical system ({S, N1, N2}) to a two-dimensional system ({N1, N2}), which can't be done in general. One way to approximate a two-dimensional system is to assume that the nutrient dynamics are on a fast time scale, so that for a given N1, N2 you can write down the quasi-equilibrium S*(N1,N2) ...


4

... I was reading the article about Genome Sequencing of a Genetically Tractable Pyrococcus furiosus Strain Reveals a Highly Dynamic Genome in which they compare the Pyrococcus Furiosus reference genome sequence ... with the sequence of a variant in a lab strain population, designated COM1 and that is the genetically tractable strain which has undergone ...


2

You have it mostly right, however, you are misunderstanding what has gone on here a little. The definition from Springer is correct - a targeted gene disruption is a direct replacement of the gene with a non-functional one. However, to do so you also need some method of detecting that your gene disruption worked and will persist. This is most commonly done ...


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