12 Questions
What is the effect of transposons on genes?
Increase gene activity
How do viruses act as biological mutagens?
Alter genetic material as cells divide
Which physical mutagen can lead to skin cancer?
UV radiation
How do thymine dimers affect DNA?
Change DNA structure and prevent proper transcription
Which industry frequently uses chemicals that act as mutagens?
Food and beauty industries
What is a common source of chemical mutagens that can cause DNA damage?
Processed meats with preservatives
What are some examples of physical or chemical agents that can cause mutations?
Exposure to radiation and chemicals in cigarette smoke
Which type of mutation affects a single nucleotide?
Substitutions
What causes large-scale mutations that change entire regions of a chromosome?
Improper DNA replication
In the context of mutations, what are transposons?
Biological mutagens causing mutations in cells
When an external agent causes a mutation, what is it typically called?
A mutagen
Which category do mutagens like radiation and certain chemicals fall into?
Physical
Explore the causes of mutations, including biological factors like DNA replication, as well as physical and chemical agents like radiation. Learn about the effects of mutations on the body and cells, with a focus on point mutations involving single nucleotides.
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