AQA · Biology · 8461
GCSE Biology: Cancer
Organisation · AQA GCSE Biology (8461), specification point 4.2.2.7. Cards are generated from the exam board's own specification for "Cancer", and every card links back to the page it came from. Specification © AQA — used with attribution.
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What cellular change results in cancer?
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Changes in cells that lead to uncontrolled growth and division.
What is a benign tumour?
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A growth of abnormal cells contained in one area, usually within a membrane, which does not invade other parts of the body.
Benign tumours are usually contained in one area within a ?.
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membrane
Which type of tumour is classed as cancer: benign or malignant?
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Malignant.
How do malignant tumour cells behave differently from benign tumours?
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They invade neighbouring tissues and spread to other parts of the body, rather than staying contained in one area.
How do malignant tumour cells spread to different parts of the body?
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They travel in the blood.
What is a secondary tumour?
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A new tumour formed when malignant cells spread via the blood to a different part of the body.
Name the two broad categories of risk factor for cancer.
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Lifestyle risk factors and genetic risk factors.
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