Use of a drug selection eliminates those stem cells with nonhomologous recombination products. Viral vectors, microinjection, T-DNA, electroporation, and biolistic transfer. Used a nucleus from a terminally differentiated cell type. Created using constituitively expressed DNA from genetically unrelated species.

Which geologic feature would most likely be represented by contour lines john far apart from one another? a cliff a hill a plain a valley

The image shows the evolution of a species of fish. a few fish from a population developed different social behaviors and evolved into different species. two fish according to the image, the fish underwent . the new species of fish had mating seasons that were different from that of the original fish. because of the differences in mating seasons, the fish underwent reproductive isolation. this mode of isolation would be .

In the united states there are strict fishing seasons and limits, but not all countries enforce similar laws. in bangladesh there are few if any fishing restrictions. what might be the reason for less restrictions in smaller countries like bangladesh? a) the united states is the only country worried about overfishing. b) the united states wants to limit the supply of fish to increase the price. c) bangladesh and smaller countries have an unlimited supply of fish in their coastal waters. d) small countries, such as bangladesh, are practicing subsistence fishing, taking only the fish needed to survive.