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molecular weight
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molecular biology
mo·lec·u·lar bi·ol·o·gy


noun 
Definition:
 
study of biology at molecular level: the branch of biology concerned with the nature and function, at the molecular level, of biological phenomena such as RNA and DNA, proteins, and other macromolecules
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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