Which of the following would have resulted from the function of prokaryotes on early earth?

a) more carbon became present in earth's soil

b) more oxygen gas became present in the atmosphere

c) more nitrogen gas became present in the atmosphere

d) less sulfur became present in earth's soil

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.