Podcast
Questions and Answers
How does deamination occur?
How does deamination occur?
- Due to spontaneous hydrolysis (correct)
- Due to exposure to UV radiation
- Due to replication errors
- Due to enzymatic activity
What is deamination?
What is deamination?
- The addition of a carboxyl group (COOH)
- The loss of a carboxyl group (COOH)
- The loss of an amino group (NH2) (correct)
- The addition of an amino group (NH2)
What happens when a deamination occurs in methyl cytosine?
What happens when a deamination occurs in methyl cytosine?
- Guanine is created
- Cytosine remains unchanged
- Adenine is created
- Thymine is created (correct)
What type of mutation is created if the repair system fails to repair the thymine created by deamination?
What type of mutation is created if the repair system fails to repair the thymine created by deamination?
What is the difference between the wild strand and the mutant strand after a deamination-induced transition mutation?
What is the difference between the wild strand and the mutant strand after a deamination-induced transition mutation?
What is the name for a pyrimidine to pyrimidine change in a transition mutation?
What is the name for a pyrimidine to pyrimidine change in a transition mutation?
Flashcards
Deamination
Deamination
The removal of an amino group (NH2) from a molecule.
Hydrolysis
Hydrolysis
A spontaneous chemical reaction where water breaks a chemical bond.
Deamination of methyl cytosine
Deamination of methyl cytosine
The conversion of methyl cytosine to thymine.
Transition mutation
Transition mutation
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Wild strand
Wild strand
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Mutant strand
Mutant strand
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