Pronunciation: waht′sŏn crik
Definition: the helical structure assumed by two strands of deoxyribonucleic acid, held together throughout their length by hydrogen bonds between bases on opposite strands, referred to as Watson-Crick base pairing.
See: base pair
[James Dewey Watson, Francis H. C. Crick]
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Examples: glitazone, GI cocktail, etc.