Complete the table below by: • naming the stages of mitosis in the correct sequence following interphase • identifying one example from the cells labelled A to H that is in each stage of mitosis that you have named.
In animal cells, centrioles assemble microtubules to form the spindle at the start of mitosis. Describe what the spindle does during mitosis.
State two roles of mitosis in plants and animals besides growth.
V. faba is a legume. Roots of legumes often show swellings at intervals called nodules. Cells in the nodules contain nitrogen-fixing bacteria. Explain the role of nitrogen fixation in the nitrogen cycle.
In some parts of the world, farmers grow legume crops and cereal crops together in the same field. This is called intercropping. Explain how intercropping leads to an increase in cereal yield when the legumes die.