Cell Structure: Subcellular Components

AP Biology· difficulty 2/5

phagosome lysosome phagolysosome

The fusion of a lysosome with a phagosome creates a phagolysosome where

  • A

    Oxidative phosphorylation generates ATP for the cell

  • B

    DNA is replicated before the cell undergoes division

  • C

    Ribosomes synthesize new proteins from imported mRNAs

  • D

    Hydrolytic enzymes digest the engulfed material

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Explanation

Lysosomes contain enzymes optimized for low pH; once delivered to the phagosome contents are digested into small molecules that the cell can reuse.

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