Multiple Answer

$1$ point

Ras is a small GTPase that, when active, signals to the cell to progress through the cell cycle. Which of the following could result in the cell to develop cancer cell?

A mutation occurs in Ras so that it cannot hydrolyze GTP to GDP$.$

A loss$-$of$-$function mutation occurs in RasGAP.

A mutation occurs in Ras so that it cannot exchange GDP for GTP$.$

A loss$-$of$-$function mutation occurs in RasGEF.