Eukaryotes cannot divide by binary fission like prokaryotes because they have complex internal structures that need to be divided equally. An online lab allows users to create a pie chart showing the relative lengths of the stages of mitosis. Observing an onion root tip under a microscope can also demonstrate the stages of mitosis. Mitosis ensures genetically identical daughter nuclei by equally dividing the genetic material of the parent cell between the two daughter cells during cell division.

4. Prokaryotes divide by binary fission. Why can’t eukaryotes?

8. How long do cells spend in each stage of mitosis?
Produce a pie-chart of the stages by using this online lab:
http://www.biology.arizona.edu/cell_bio/activities/cell_cycle/cell_cycle.html
Observe on the real onion root-tip, too.

22. Explain how mitosis ensures that daughter nuclei are genetically identical.

23. Explain how mitosis ensures that daughter nuclei are genetically identical.

29. It’s too late to apoptise!

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