Mitosis

Which order of micrographs shows the correct sequence of stages of mitosis?

• 2,3,1,4

• 2,3,4,1

• 2,1,4,3

• 2,4,1,3

Describe the importance of mitosis in the root tips of plants. (2 marks)

Figure 7 shows mitosis occurring in some plant cells.Which stage of mitosis is shown in cell R?

• Prophase

• Metaphase

• Anaphase

• Telophase

Describe two genetic similarities of the new cells that would be produced by cell Q in Figure 7. (2 marks)

Interphase is part of the cell cycle.

Describe what happens during interphase. (2 marks)

During prophase of mitosis, the

• A cell elongates

• B cell halves in size

• C cytoplasm divides

• D nuclear membrane breaks down

Describe two things that occur during prophase of mitosis. (2)