Describe Exocytosis

Multiple Choice

Describe exocytosis.

A) Exocytosis occurs when a vesicle forms at the plasma membrane,encloses a large volume of extracellular fluid and contents,and then moves into the cytoplasm.
B) Exocytosis occurs when a vesicle forms inside the cell,encloses a large volume of intracellular fluid and contents,and then fuses with the plasma membrane to release it outside the cell.
C) Exocytosis occurs when water moves through aquaporin channels into a cell.
D) Exocytosis occurs when molecules are pumped against their concentration gradient into the cell.
E) Exocytosis occurs when ions pass through channel proteins to enter the cell.