Cell Cycle
A centromere is

the structure to which microtubules attach
a constriction on a chromosome bound to a disk
All of these
another name for kinetochore

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Cell Cycle
Which of the following statements about mitosis is incorrect?

The daughter nuclei are genetically identical to the parent nucleus
Chromosomes separate during anaphase when the kinetochore microtubules shorten as they depolymerize
Chromosomes move to the metaphase plate using motor proteins, a kind of kinesin, attached to spindle fibers
Chromosomes separate during anaphase due to the interaction of polar microtubules from opposite poles pushing against each other

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