A leukocyte, a type of white blood cell, fights bacterial infections by sending out projections of its plasma membrane that surround an invading bacterium. The membrane then fuses together, entrapping the bacterium in a vesicle inside the cell. What is this is an example of?

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Quizplus · Accepted Answer

This is an example of phagocytosis, as the leukocyte is engulfing the bacteria in a vesicle inside the cell. Exocytosis involves the release of materials from a vesicle, receptor-mediated endocytosis involves the specific uptake of molecules through receptor binding, and pinocytosis involves the non-specific uptake of fluid and small particles.

A Leukocyte, a Type of White Blood Cell, Fights Bacterial