Which of the following are responsible for the alignment of the chromosomes along the metaphase plate (equatorial plate) during mitosis?

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Correct Answer: B. Centrosomes.
The chromosomes are aligned in the center of the cell by the attachment of mitotic spindles from the centrosomes to the kinetochores of each chromosome. These spindles, composed of microtubules, maintain a constant length once the chromosomes are aligned along the metaphase plate.
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