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DNA is coded with 4 symbols: A (adenosine), C (cytosine), G (guanine) and T (thymine), just like computers are coded in binary (0,1).

In this genetic code, rests the necessary information to synthetize proteins. But he problem here is that DNA is built with blocks called nucleotides and proteins are built with blocks called aminoacids.

So, in traslations rests the step to move from DNA to proteins. Codons are nature's translation of nucleotide to aminoacid. Any combination of 3 given nucleotides, say AGC (an adenine, guanine, cytosine codon) is translated to Seryne, an aminoacid. Every posible combination of 3 nucleotides form a codon, and every codon has an exact translation.

There are only 20 posible aminoacids, hence, some combinations code for the same aminoacid.

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11y ago
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15y ago

ssrsArwrfwrra

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8y ago

to copy the information in DNA

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