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molec'ular biol'ogy




the branch of biology that deals with the nature of biological phenomena at the molecular level through the study of DNA and RNA, proteins, and other macromolecules involved in genetic information and cell function, characteristically making use of advanced tools and techniques of separation, manipulation, imaging, and analysis. Also called new biology.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

molecular beammolecular clock
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