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18 Cards in this Set
- Front
- Back
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chromomere |
banding patterns, coiled beadlike region of chromosome during cell division |
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satellite DNA |
short tandem repeats, alphoid family (highly repetitive) |
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-10 |
prokaryote transcription pribnow box |
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-35 |
prokaryote transcription upstream |
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7-methylguanosine tail |
added to 5' end, transport and protection |
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poly-A tail |
added to 3' end, last 10-35 nucleotides removed |
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snurp |
rnas complexed with proteins |
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induced |
result from extraneous factor like UV, radiation, chemical |
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replication slippage |
errors during DNA replication that usually happen in areas with repeats, origin of microsatellite repeats, can result in deletions or insertions |
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oxidative damage |
reactive oxidants change binding possibilities of bases, metabolic byproducts of food, damage to DNA |
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deamination |
amino group in C or A is converted to a keto group, converts each to another type of base |
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base analogs |
chemicals that can substitute for purines or pyrimidines during nucleic acid biosynthesis |
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5-BU |
can behave as a thymine and then base pairs with guanine, act as analog of adenine |
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alkylating agents |
donate alkyl group which changes base pairing |
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EMS |
alkylating agent |
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constitutive genes |
produced at some level all the time |
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repressible genes |
not transcribed in the presence of a specific molecule |
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positive control |
gene expression is "turned on" by the presence of an active regulator |
