The remains of wild dogs were found among the prehistoric bones of our ancestors who lived thousands of years ago

What claim did thorne make? what evidence supported his claim?

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.

What factors contribute to the effect an environmental toxin has on the human body?