What are the two types is stem cells and what are their potential uses?

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.

Which of the following graphs have the same wavelengths

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above