PI3K is a cancer activating molecule because of what molecular function? It works to directly phosphorylate cyclin depen

[answerhappygod]

PI3K is a cancer activating molecule because of what molecular function?
It works to directly phosphorylate cyclin dependent kinases and thus actives the cell cycle.
It works to phosphorylate membrane lipids which can then recruit signaling molecules for the initiation of a phosphorylation cascade.
It works at the cell membrane to facilitate the inactivation of mTOR.
All the provided answers are correct.