Figure 7 shows the mean distance between centromeres and the poles (ends) of the spindle during mitosis - AQA - A-Level Biology - Question 6 - 2021 - Paper 1
Question 6
Figure 7 shows the mean distance between centromeres and the poles (ends) of the spindle during mitosis.
Calculate the rate of movement of the centromeres during ph... show full transcript
Worked Solution & Example Answer:Figure 7 shows the mean distance between centromeres and the poles (ends) of the spindle during mitosis - AQA - A-Level Biology - Question 6 - 2021 - Paper 1
Step 1
Calculate the distance during phase E
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Answer
From the graph in Figure 7, the mean distance between the centromeres and the poles at the start of phase E (approximately 1700 seconds) is about 15 µm, and at the end of phase E (approximately 1800 seconds) is about 20 µm.
Step 2
Determine the time interval
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Answer
The time interval for phase E is from 1700 seconds to 1800 seconds, which is 100 seconds.
Step 3
Calculate the rate of movement
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Answer
The rate of movement is calculated using the formula:
