Vesicles are small, membrane-bound sacs that transport substances within and out of cells. They are formed by budding off from existing membranes, such as the plasma membrane or the membranes of organelles like the Golgi apparatus.
Here are some examples of vesicles:
* Transport vesicles: Move substances between different organelles within the cell.
* Secretory vesicles: Transport substances to the cell surface for release outside the cell.
* Endocytic vesicles: Bring substances from outside the cell into the cell.
Let me know if you have any other questions!
