In a series of experiments, genes that code for mutant forms of a receptor tyrosine kinase (rtk) are introduced into cells. the cells also can express their own normal form of the receptor from their normal gene, but the mutant genes are constructed so that the mutant rtk is expressed at considerably higher concentration than the normal rtk. what would be the consequences of introducing a mutant gene that codes for an rtk

a) lacking its extracellular domain?

b) lacking its intracellular domain?

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The return of the wolf to yellowstone national park will probably affect the bird population to some degree, not significantly. while wolves will hunt birds when necessary, they prefer to hunt larger prey. the bird population will most likely only be affected when hunting is scarce for the wolves. birds of prey will also probably not be affected as much as other birds who spend more time on the ground hunting for food as the tend to spend more time in the air or in trees since they do not need to stay on the ground for long due to the nature of the way they hunt.