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What is the main function of the spindle fibers during mitosis?
A
To separate the chromosomes
B
To synthesize new DNA
C
To repair damaged DNA
D
To regulate cell growth
Explanation
Spindle fibers attach to kinetochores to pull sister chromatids to opposite poles during anaphase.
Detailed Solution
Spindle fibers (microtubules) attach to kinetochores of chromosomes during metaphase and contract during anaphase to pull sister chromatids (daughter chromosomes) towards opposite spindle poles.