關於「how many codons are there」標籤，搜尋引擎有相關的訊息討論：

The genetic code & codon table (article) | Khan Academy。

Notice that many amino acids are represented in the table by more than one codon. For instance, there are six different ways to "write" leucine in the ...： 。

Origin and evolution of the genetic code: the universal enigma - NCBI。

Generally, related codons (i.e., the codons that differ by only one nucleotide) ... For any code its cost can be calculated using the following formula:.： 。

Rare codon content affects the solubility of recombinant proteins in a ...。

2009年7月24日 · Several bacterial strains have been engineered to overcome this effect. However, the increased rate of translation may lead to protein ...： tw | tw。

RNA Codons and DNA Codons - News Medical。

2019年2月26日 · Codons in the mRNA are decoded by transfer RNA (tRNA) during protein synthesis. ... most of the amino acids are encoded by multiple codons.： 。

A mechanism for the association of amino acids with their codons ...。

2005年3月22日 · The genetic code has many regularities (1), of which only a subset have explanations in terms of tRNA function (2) or robustness against ...。

Novel Ciliate Genetic Code Variants Including the Reassignment of ...。

2016年8月8日 · Abstract. mRNA translation in many ciliates utilizes variant genetic codes where stop codons are reassigned to specify amino acids.。

Codon - National Human Genome Research Institute。

The cell reads the sequence of the gene in groups of three bases. There are 64 different codons: 61 specify amino acids while the remaining three are used ...： 。

Codon-reading specificities of mitochondrial release factors ... - Nature。

2013年12月19日 · However, no release activity for mtRF1 was observed at any of the mitochondrial stop codons UAA, UAG, AGA and AGG in these bacterial ...。

Transfer RNA - Wikipedia。

Because the genetic code contains multiple codons that specify the same amino acid, there are several tRNA molecules bearing different anticodons which ...。

Novel Features in the Genetic Code and Codon Reading Patterns in ...。

tryptophan, amino acids that use codons ending in purines (CAt, ... not detected any other isoacceptor tRNAs for these amino acids ... C ?G L/ A. C-G GUuA.