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9 Cards in this Set
- Front
- Back
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3 types of point mutations
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transitions
transversions single base insertions/deletions |
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what is a transition point mutation
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purine converted to a different purine
pyrimidine converted to a different pyrimidine (A becomes G, C becomes T) |
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what is a transversion point mutation
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purine converted to a pyrimidine
or pyrimidine converted to a purine (A becomes C or T. G becomes C or T) |
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stop codons
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UGA
UAG UAA |
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what is the effect of a missense point mutation
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substitution change of 1 amino acid
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what is the effect of a nonsense point mutation
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creation of a stop codon
leading to the truncation of the amino acid seq. |
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single base insertions/deletions point mutations result in what
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codon frameshift (usually results in aberrant stop codon)
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DNA photolyases system repairs
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pyrimidine dimers (have a free radical induced cyclobutane ring connection)
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cofactor in DNA photolyases system
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FADH
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