Order the steps of exocytosis:
1)the vesicle membrane fuses with the plasma membrane.
2)the vesicle moves to the plasma membrane.
3)the vesicles contents are released to the extracellular fluid.
A)1→2→3
B)1→3→2
C)2→1→3
D)2→3→1
E)3→1→2

Question

Quizplus · Accepted Answer

In exocytosis, the vesicle first moves to the plasma membrane (step 2), then the vesicle membrane fuses with the plasma membrane (step 1), and finally, the vesicle's contents are released to the extracellular fluid (step 3).

Order the Steps of Exocytosis