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  • Phagocytosis: How Cells Ingest and Digest Substances
    No, phagocytosis does not move substances out of a cell. It's the process by which cells take in large particles, like bacteria, viruses, or cellular debris.

    Here's how it works:

    * Engulfment: The cell membrane surrounds the particle, forming a pocket.

    * Vesicle Formation: The pocket pinches off, creating a vesicle (a small membrane-bound sac) containing the particle.

    * Digestion: The vesicle fuses with lysosomes, which contain enzymes that break down the particle.

    So, phagocytosis is an endocytotic process, meaning it brings things into the cell, not out.

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