Assertion: dna's strand | /r/MadeOf | all the information
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Source sentences:
text: The bases are of four types (A, C, G, & T): pairing always occurs between A & T, and C & G. James Watson (1928 - ) and Francis Crick (1916 - 2004) realized that these pairing rules meant that either strand contained all the information necessary to make a new copy of the entire molecule, and that the aperiodic order of bases might provide a "genetic code".