Mutagenic Agents (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 are mutagenic agents?
What are mutagenic agents?
External factors that induce mutations
What are the two main categories of mutagenic agents?
What are the two main categories of mutagenic agents?
Chemical and physical mutagens
What happens when group removal chemicals strip the amino group from cytosine?
What happens when group removal chemicals strip the amino group from cytosine?
It converts to uracil
Where is benzopyrene commonly found?
Where is benzopyrene commonly found?
Tobacco smoke
Which DNA base does benzopyrene attach a large molecular group to?
Which DNA base does benzopyrene attach a large molecular group to?
Guanine
What does ionising radiation create within cells that damages DNA?
What does ionising radiation create within cells that damages DNA?
Free radicals
What structures does UV radiation cause thymine bases to form?
What structures does UV radiation cause thymine bases to form?
Thymine dimers
What effect do thymine dimers have on DNA replication?
What effect do thymine dimers have on DNA replication?
Completely block replication machinery
What is the role of peer review in research on mutagenic agents?
What is the role of peer review in research on mutagenic agents?
Identifies biases and validates methods
Which government regulation is based on UV radiation's mutagenic effects?
Which government regulation is based on UV radiation's mutagenic effects?
Minimum ages for tanning bed use