11 (10) Which of the following is an example of a structural adaptation?
A A mouse hiding in a hole to avoid predators.
B A woodpecker's sharp beak is used to peck tree bark for insects.
An opossum pretends to be dead when it feels threatened.
D An owl nesting high in the tree away from a predator's reach.

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.