Mechanisms of Transport

AP Biology· difficulty 3/5

The cellular uptake of large particles (e.g., bacteria) by engulfment is called

  • A

    Phagocytosis

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  • B

    Receptor-mediated endocytosis

  • C

    Exocytosis

  • D

    Pinocytosis

Explanation

Phagocytosis ("cell eating") engulfs solid particles. Pinocytosis is "cell drinking" of fluid; receptor-mediated is selective uptake.

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