Apremalignant condition of thick, scaly, or crusty patches of skin, which usually do not evolve into squamous cell carcinoma, is called.

What are the characteristics of living things

Isotopes of the same element have differ in their

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.