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Originally posted by dizzie_lizzie79
reply to post by dizzie_lizzie79
well, i don't get to get on here much and research stuff, so i thought i would ask..thanks
Similarly, all combinations of a two-base code -for example, AA, AU, AG, AC, etc.- will provide for only sixteen amino acids (4 2 ). However, blocks of three RNA bases allow sixty-four (4 3 ) combinations of the four nucleotides, which is more than enough combinations to correspond to the twenty distinct amino acids. So, the genetic code must use blocks of at least three RNA bases to specify each amino acid.