Be not proud
Posted by Rich Magahiz Sat, 26 Jan 2008 02:02:00 GMT
The RNA language is written in an alphabet of four letters (A, C, G, U), grouped into words three letters long, called triplets or codons. Each of the 64 codons specifies one of 20 amino acids or else serves as a punctuation mark signaling the end of a message. That’s all there is to the code. But a nagging question has never been put to rest: Why this particular code, rather than some other?