Several DNA letters, one amino acid solution?
The DNA code uses sets of three 'letters' to make this means. This means that when the particular cell reads the instructions encoded in the DNA sequence to produce a protein, it reads it three letters during a period. Most groups of three letters - generally known as triplets or codons - code a great amino acid.
Since there are usually four different DNA letters (A, Grams, C and T), there are 4 x 4 x 4 = 64 different combinations to use. However, as there are only 20 various kinds of amino acid, some of these 64 codons code to the same amino acid. Some of the 64 codons don't code for any of the amino acids. Instead they provide you with the punctuation and grammar, like where the cell should start and cease.
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