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Questions and Answers
What would be the conclusion if a chemical causes lower growth compared to the control group?
What is the term for a non-direct acting mutagen that needs to be metabolized first?
What would be the conclusion if histidine grows after mixing with a chemical?
What is the effect of a mutagen on the growth of mutated histidine?
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What is the role of metabolic activation in a pro-mutagen?
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What is the result if a chemical causes an increase in the growth of mutated histidine?
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What is the definition of a mutagen?
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What is the role of a mutagen in the growth of histidine?
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Study Notes
Mutagenicity
- A mutagen is a chemical that causes an increase in growth due to mutations.
- If a chemical causes lower growth compared to the control group, it is not a mutagen.
- Mutagens increase growth by causing mutations in histidine, which then grow.
Direct and Indirect Acting Mutagens
- A mutagen can be direct or indirect acting.
- Pro-mutagen is a non-direct acting mutagen that needs to be metabolized first before it can convert histidine to its mutated form (his+).
Note on Research
- Rozaini conducted research on mutagenicity from 2009 to 2012.
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Description
This quiz covers the definition of mutagens, their effect on growth, and the difference between direct and indirect acting mutagens. Learn how mutagens cause mutations in histidine and how pro-mutagens work.
