Answer: It involves engulfing liquids, not solids.
- A It uses ATP to power vesicle formation
- B It involves engulfing liquids, not solids
- C It occurs mainly in plant and fungal cells
- D It moves material outward, out of the cell
Correct answer: B. It involves engulfing liquids, not solids
Explanation: Pinocytosis = cell drinking (liquid engulfed). Phagocytosis = cell eating (solid particles engulfed). Both are endocytosis.
Animal cell structure with major organelles labeled. Image: LadyofHats (Mariana Ruiz), Public Domain, via Wikimedia Commons.
Concept context
Cell theory, prokaryotic vs eukaryotic cells, organelles and their functions. Foundation of all biology.