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Alik [6]
3 years ago
6

What does each codon code for

Biology
2 answers:
Naya [18.7K]3 years ago
8 0

The right answer is mostly amino acid, it can also be a start codon (which is methionin), or a stop codon, which does not code for any amino acid.

The translation of the messenger RNA is in the 5 'to 3' direction and starts at a fixed point (initiation codon: AUG), each codon encountered is "decoded" into amino acid. Each codon means a single amino acid. There is no overlap, it means that a base belongs to only one codon and therefore is only read once. Of the 64 existing codons, 3 are non-significant and correspond, with some exceptions, to end-of-translation signals (these are the STOP codons: UAA, UAG, UGA).

Thus 61 codons remain for 20 amino acids, which implies that an amino acid can be signified by more than one codon.

Sladkaya [172]3 years ago
5 0
<span>Three adjacent nucleotides constitute a unit known as the codon, which codes for an amino acid. For example, the sequence AUG is a codon that specifies the amino acid methionine. There are 64 possible codons, three of which do not code for amino acids but...</span>
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