The graph shows the distance moved by chromatids towards a pole of a cell during part of mitosis.
Using the graph, determine the time at which anaphase began.
[1]
Calculate the rate at which the chromatids moved during anaphase. Give your answer in µm min⁻¹.
[2]
Name the structures that move the chromatids towards the poles.
[1]
Explain why the chromatids stop moving after 14 minutes.
[1]