Cell Cycle

AP Biology· difficulty 3/5

The kinetochore is a protein complex on

  • A

    The mitochondrial outer membrane, where ATP synthase docks

  • B

    The plasma membrane, where signaling receptors anchor

  • C

    DNA polymerase, where replication forks assemble

  • D

    The centromere of each chromatid, where spindle microtubules attach

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Explanation

Kinetochores capture spindle fibers and translate microtubule dynamics into chromosome movement.

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