The Genetic Code: Translation of RNA code into protein | Back to Top. The code consists of at least three bases, according to astronomer George Gamow. To code for the 20 essential amino acids a genetic code must consist of at least a 3-base set (triplet) of the 4 bases.
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Proof coins are specially produced to a much higher standard of finish. Originally, proofs were intended as pre-production samples. As a printer would produce a small number of proof copies for checking and approval, so a mint would produce proofs for approval by the mintmaster, the monarch, and for other purposes.roof coins are specially produced to a much higher standard of finish. Originally, proofs were intended as pre-production samples. As a printer would produce a small number of proof copies for checking and approval, so a mint would produce proofs for approval by the mintmaster, the monarch, and for other purposes.