AP Biologymediummcq1 pt
Kinetochores are important because they
A.attach chromosomes to spindle microtubules
B.synthesize new DNA
C.seal the nuclear envelope
D.digest the cell wall
Explanation
Core Concept
Kinetochore proteins at each centromere catch spindle fibers from opposite poles; this attachment is what the M checkpoint verifies before anaphase.
Correct Answer
Aattach chromosomes to spindle microtubules
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