What fraction of the cells in Figure 1 is dividing by mitosis?
Tick (✓) one box - AQA - GCSE Biology - Question 2 - 2010 - Paper 1
Question 2
What fraction of the cells in Figure 1 is dividing by mitosis?
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The cells which are not dividing in Figure 1 each contain 10 chr... show full transcript
Worked Solution & Example Answer:What fraction of the cells in Figure 1 is dividing by mitosis?
Tick (✓) one box - AQA - GCSE Biology - Question 2 - 2010 - Paper 1
Step 1
What fraction of the cells in Figure 1 is dividing by mitosis?
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Answer
The fraction of the cells dividing by mitosis in Figure 1 is rac{1}{4}.
Step 2
How many chromosomes will each new cell contain after mitosis?
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Answer
Each new cell will contain 10 chromosomes after mitosis.
Step 3
Before mitosis occurs, the cell _____________________________.
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Answer
Before mitosis occurs, the cell grows.
Step 4
The genetic material in the cell doubles when the DNA _____________________________.
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Answer
The genetic material in the cell doubles when the DNA replicates.
Step 5
After the chromosomes have been pulled to each end of the cell, the cytoplasm _____________________________.
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Answer
After the chromosomes have been pulled to each end of the cell, the cytoplasm divides.
Step 6
Which stage of the cell cycle takes the most time?
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Answer
The stage of the cell cycle that takes the most time is C.
Step 7
What percentage of time in the cell cycle is stage A?
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Answer
The percentage of time in the cell cycle that is stage A is 10%.
Step 8
Which organ system contains heart cells?
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Answer
The organ system that contains heart cells is the circulatory system.
Step 9
Name one medical condition that could be treated using heart cells created from an embryo.
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Answer
One medical condition that could be treated using heart cells created from an embryo is cardiovascular disease (CVD).
Step 10
Give one reason why a patient may not want to be treated with heart cells created from an embryo.
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A patient may not want to be treated with heart cells created from an embryo because it could be considered unethical.
