Answer:
relaying a signal from a growth factor receptor
Explanation:
The cancer-causing forms of the ras protein are involved in process of relaying a signal from a growth factor receptor.
One way is if you exercise to much it can cause heart problems. Another way is when you play sports you could get seriously injured. The last way is if you are somewhere at the wrong time and your alone and get in a fight
A fear of something, say you are afraid to go through an alley, is beneficial, because you can elude unknown harms along the way. Fear, would usually let you rethink what you are about to do and search for a better route to the same destination
hope this helps
