Which of the Following Occurs During the Fusion of a Synaptic

Which of the following occurs during the fusion of a synaptic vesicle and cell membrane?

A) SNARE complexes dissociate to allow membrane fusion to occur
B) addition of triacylglycerols to the membrane allows the bilayer to bow inward
C) selective removal of acyl chains from membrane phospholipids allows the bilayer to bow outward
D) the composition of the two membranes has no effect upon the rate of fusion
E) none of the above