Question

3. Microtubules and spindle fibers help pull chromosomes apart during mitosis. During what phase of mitosis to these structures first appear?
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20 points
Prophase
Metaphase
Anaphase
Telophase

Answer 1

Microtubules and spindle fibers first appear during **Prophase** of mitosis. During this phase, the mitotic spindle begins to form, and the chromosomes condense and become visible.