True or false: when a cell differentiates, it becomes a stem cell.

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?

What advantages does a pedigree have over a written passage?

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.