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Review Questions

Why do cells complete S-phase before starting mitosis?

Why do cells have periods of biosynthesis and growth before starting mitosis?

What are the important sections of the interphase period of the cell cycle, and what happens in each of them?

What are the commonly discussed stages in the mitotic period of the cell cycle, and what happens in each of them?

Why is chromosome condensation essential for a successful mitosis?

What strategies do cells use in addition to chromosome condensation in order to deal with the problem of segregating millimeters of DNA into two daughter cells?

What is presented as the “essential problem of mitosis”?

What are the differences between the aspects of mitosis that you can see by phase, polarization, fluorescence, and electron microscopy?

What aspects of mitosis appear to be essentially universal among all eukaryotic organisms?


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