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  • noun

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a specific sequence of three adjacent nucleotides on a strand of DNA or RNA that specifies the genetic code information for synthesizing a particular amino acid

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Tailored randomization": incomplete or biased diversity is introduced by using degenerate codons encoding a subset of natural amino acids
The team's results also demonstrate that genetic codons do more than simply determine the amino acid sequence of a protein as previously thought: They also affect how much protein can be made as well as the functional quality of that protein.
Students repeat this sequence, taking turns at each station, until the codons have been translated into amino acids and they reach a STOP codon.
Therefore, one would expect to observe the impaired translation of an abundant mRNA species containing an excess of rare codons with low aminoacyl-tRNA levels.
The team also created a system that would cause yeast cells to edit the mRNA, replacing the uridine in the codon that signals a halt in protein production with pseudouridine.
38G>A); 9 of the tumors were classified as wild type for codons 12 and 13.
6 [micro]g/ ml of both codons 194 and 399 primers (or 0.
Codons in the DNA are transcribed into messenger RNAs.
Some SNP's cause amino acid substitutions, while others introduce chain termination codons, rendering the allele non-functional.
According to the previous papers, the frequencies with which individual synonymous codons were used to code their cognate amino acids was quite variable from genome to genome and within genomes, from gene to gene.
Three codons (nucleotide trios that specifically code for one amino acid) are thought to influence susceptibility to scrapie.
Although all classic swine sequences have a truncated PB1-F2 (in-frame stop codons after 11, 24, and 35 codons), the early human isolates (H1N1 sequences from 1918 through 1947) have an intact PB1-F2.
Rather it takes the form of translation termination codons, most notably, premature translation termination codons, but it still means nothing and so in the RNA world, can be dangerous.
One thousand six sheep, with genotypes at codon 171 (n=164) or codons 136 and 171 (n=842) and scrapie diagnostic testing (n=190), with 44 sheep considered positive for the disease were studied.