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.

Question

Quizplus · Accepted Answer

Exocytosis is the process by which cells release materials from intracellular vesicles into the extracellular environment. During exocytosis, a vesicle fuses with the plasma membrane, and its contents are released outside the cell. Therefore, option B is the correct description of exocytosis.

Describe Exocytosis