What is a difference between starch and glycogen?

Whats one way that rocks do not follow the typical rock cycle pathway?

Tides that occur during the new and full moons

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.