HU: Frankel
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triplet code | proven when you add three more codons and the reading form is still unaltered | N/A
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frame-shift mutation | a genetic mutation caused by the insertion or deletion of number of nucleotides that is not evenly divisible by three | N/A
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degenerate code | when majority of amino acids can have more than one codon | N/A
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What does it mean for a genetic code to NOT be ambiguous? | any given codon only codes for ONE amino acid | N/A
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What did Nirenberg discover? | a cell-free synthesizing system using Poly-U | N/A
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Poly-U | only base is uracil | codes for phenylalanine
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How many codons are amino acids? | 61 out of 64 | N/A
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"3 nonsense codons" | serve as terminator codons | UAA, UAG, UGA
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What is the most common initiator codon? | AUG | N/A
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What is the Shine-Delgarno sequence and where is it located? | allows messenger to get affixed to the ribosome | upstream five prime to the starting codon
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In prokaryotes, what does the starting codon "AUG" code for? | N-formylmethionine | N/A
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kozak consensus sequence | place where ribosome can attach to messenger without being in the actual sequence | N/A
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In prokaryotes what does the starting codon "GUG" code for? | N-formylmethionine | N/A
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amino acid for "UUU" | phenylalanine | N/A
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amino acid for "AAA" | lyscine | N/A
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amino acid for "CCC" | proline | N/A
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amino acid for "GGG" | glycine | N/A
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amino acid for "AUG" | methionine | N/A
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amino acid for "GUG" | valine | N/A
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"wobble" | miss pairing between an anti-codon and a codon | N/A
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What combinations can code for the same amino acid? | 1) xyA (pair w/) & xyG (wobbles w/) 2) xyC (pair w/) & xyU (wobbles w/) | N/A
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5 properties of genetic code | 1) triplet code 2) non- overlapping 3) non-restrictive 4) degenerate code 5) NOT ambiguous | N/A
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