Does exocytosis require ATP?

ATP exocytosis require
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Does exocytosis require ATP?

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Exocytosis involves the fusing of the vesicle membrane with the plasma membrane and the emptying of the vesicle’s contents to the cell’s exterior. I don’t see where energy is required here. However, I won’t be surprised if earlier steps require energy, for instance concentrating chemical/protein X within the vesicle or how is the vesicle directed to the cell membrane as opposed to the nuclear membrane. I know the vesicles are chemically tagged which I’m sure uses energy.. my $0.02…

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