Risk Factors & Cancer (AQA A-Level Biology): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the most preventable cause of cancer according to modifiable lifestyle factors?
What is the most preventable cause of cancer according to modifiable lifestyle factors?
Smoking
Why does cancer risk increase with age?
Why does cancer risk increase with age?
Mutations accumulate over time
How many times greater is lung cancer risk for someone smoking 25 cigarettes daily vs non-smokers?
How many times greater is lung cancer risk for someone smoking 25 cigarettes daily vs non-smokers?
25 times
What happens when proto-oncogenes become mutated or overactivated?
What happens when proto-oncogenes become mutated or overactivated?
They become oncogenes
What did dogs exposed to unfiltered cigarette smoke develop in experimental studies?
What did dogs exposed to unfiltered cigarette smoke develop in experimental studies?
Pulmonary disease and early lung cancer
How does benzopyrene cause cancer at the cellular level?
How does benzopyrene cause cancer at the cellular level?
Binds to DNA and causes mutations
What type of studies show correlations between factors and cancer?
What type of studies show correlations between factors and cancer?
Epidemiological studies
How many alleles of tumour suppressor genes must be mutated to lose their protective function?
How many alleles of tumour suppressor genes must be mutated to lose their protective function?
Both alleles
How does oestrogen trigger cancer development in breast tissue?
How does oestrogen trigger cancer development in breast tissue?
Promotes transcription of division genes
What does gene therapy for cancer involve introducing into cancer cells?
What does gene therapy for cancer involve introducing into cancer cells?
Functional tumour suppressor genes