What cell structure consists of a network
of protein filaments and tubules that
allows cells to keep their shape?

What is the relation ship between structure and function in an organism

The transport tubes for food coming down the plants are called?

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.