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Animation: Phagocytosis
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View the animation below, then complete the quiz to test your knowledge of the concept.






1Phagocytes are attracted by all of the following except
A)phospholipids released by injured cells
B)components of the complement system
C)chemical products of microorganisms
D)lysosomes



2In phagocytosis the digested contents are eliminated by
A)endocytosis
B)exocytosis
C)opsonization
D)C3b



3A lysosome
A)is found only inside the bacterium being ingested
B)is an organelle that makes a bacterium motile
C)contains lysozyme and proteases which digest bacteria
D)contains enzymes specific to the receptors on the bacterium being eliminated



4Complement factor C3b coats a bacterium and binds to C3b receptors on phagocytes, making the bacterium more susceptible to being phagocytized.
A)True
B)False



5A phagosome containing the engulfed bacteria combines with a lysosome containing enzymes to produce a phagolysosome.
A)True
B)False







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