A vesicle is asmall bubble made of membrane that carries materials like proteins or waste inside the cell. It moves to the cell membrane and releases the contents during exocytosis.
3. What happens when a vesicle reaches the cell membrane in exocytosis?
Your answer: C. It fuses with the membrane and releases its contents
✔ Yes! That is the key step in exocytosis. The vesicle joins (fuses) with the cell membrane, and then the materials inside the vesicle are released outside the cell.
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