What role does phosphatidylserine (PS) play in the process of apoptosis?
1
It functions as a signaling molecule to promote cell division.
2
It flips from the inner leaflet to the outer leaflet of the plasma membrane, signaling for phagocytosis.
3
It acts as a cofactor for enzymes involved in apoptosis.
4
It inhibits the activity of apoptotic signaling pathways.