If a plant cell needs energy for endocytosis, what does it use and where does the energy come from?

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 anatomical plane is the only one that could not show both the sternal region and vertebral region

How are fossils used to date organisms?