What family is the fox in? are foxes and dogs related?

Ras is a g-protein that is activated when a growth factor attaches to egfr. its activation results in the replacement of a gdp molecule with a gtp molecule, thus allowing a signal transduction pathway to be activated. considering the signal pathway illustrated on this page, what is one potential outcome of a mutation in the ras gene that leads to ras protein hyperactivity. be specific.

Why did adult crab numbers decline in he ecosystem, even though sea stars were still available?

What do transitional fossils best support?