What Determines the Specificity of Vesicle Fusion to a Target

Multiple Choice

What determines the specificity of vesicle fusion to a target membrane?

A) interactions between tethering proteins alone
B) interactions between Rabs alone
C) interactions between specific combinations of interacting proteins,including tethering proteins,Rabs and SNAREs assembled at that site in the cell
D) interactions between SNAREs alone
E) a single protein in the membrane of the particular vesicle and target membrane