Mutagens (HSC SSCE 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 a mutagen?
What is a mutagen?
An environmental agent that alters DNA
How many main categories of mutagens exist?
How many main categories of mutagens exist?
Three
Which of these is a chemical mutagen?
Which of these is a chemical mutagen?
Tar in tobacco smoke
How do chemical mutagens typically cause DNA damage?
How do chemical mutagens typically cause DNA damage?
By mispairing during replication
Which UV radiation type is non-ionising?
Which UV radiation type is non-ionising?
UVA
What are pyrimidine dimers?
What are pyrimidine dimers?
Adjacent bases bonded together by UV
Which bacterium acts as a biological mutagen?
Which bacterium acts as a biological mutagen?
Helicobacter pylori
How does ionising radiation damage DNA?
How does ionising radiation damage DNA?
By producing free radicals
What does base excision repair do?
What does base excision repair do?
Removes and replaces damaged bases
What caused Marie Curie's death in 1934?
What caused Marie Curie's death in 1934?
Leukaemia from radiation exposure