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base unit
base year
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baseborn
Basedow’s disease
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base pairing
base pair·ing (plural base pair·ings)


noun 
Definition:
 
bond-forming process: the hydrogen bonding between complementary bases that holds together the two strands of the double helix of DNA and RNA
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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