The longest arrays of microtubules that assemble from each centrosome during prophase form filaments called

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The microtubule arrays that assemble during prophase from each centrosome form the mitotic spindle fibers, which are responsible for aligning and separating the chromosomes during cell division. Kinetochores are protein structures that form on the centromere of chromosomes and act as attachment sites for spindle fibers. Asters are radial arrays of microtubules that extend from each centrosome and help in positioning the spindle apparatus. The nuclear envelope is a membrane structure that surrounds the nucleus and breaks down during mitosis to allow the movement of chromosomes.

The Longest Arrays of Microtubules That Assemble from Each Centrosome