Articles > Pinocytosis definition – quiz Pinocytosis definition – quiz Quiz Choose the best answer. 1. The ingestion of extracellular fluid Phagocytosis Pinocytosis Osmosis None 2. Pinocytosis is a form of ______________. Exocytosis Endocytosis Osmosis None 3. In pinocytosis, what happens after the cell membrane invaginates creating a pouch? The pouch bursts The pouch pinches off The cell membrane turns inside out to release the content outside None 4. The function of pinocytosis To release substances outside the cell To take in water from the outside To take up nutrients from the extracellular fluid None 5. A pinocytosis process A macrophage engulfs a cell A microvillus taking in nutrients An endosome fusing to the cell membrane None Send Your Results (Optional) Your Name To Email Time's up
