molecular biology


Definition of molecular biology 

: a branch of biology dealing with the ultimate physicochemical organization of living matter and especially with the molecular basis of inheritance and protein synthesis

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Other Words from molecular biology

molecular biologist noun

Examples of molecular biology in a Sentence

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Forgoing the traditional method of brain mapping that involves marking neurons with fluorescence, Zador had taken an unusual approach that drew on the long tradition of molecular biology research at Cold Spring Harbor, on Long Island. Monique Brouillette, WIRED, "New Brain Maps With Unmatched Detail May Change Neuroscience," 8 Apr. 2018 In 2007, Roche bought NimbleGen Systems, a Madison maker of molecular biology tools started by University of Wisconsin scientists, for $272.5 million. Rick Romell, Milwaukee Journal Sentinel, "More than 200 jobs to be lost as Madison, Janesville businesses close," 20 June 2018 Some of these associations are surprising, and some are not, says John Hardy, chair of molecular biology of neurological disease at the University College London Institute of Neurology, who was not involved with the study. Emily Willingham, Scientific American, "Analysis of a Million-Plus Genomes Points to Blurring Lines Among Brain Disorders," 22 June 2018 Ourian studied molecular biology in undergrad, attended medical school at Wayne State University in Michigan, then started a residency at UCLA in anesthesiology, but dropped out before finishing. Lexy Lebsack,, "The Instagram-Famous Doctor Will See You Now," 23 June 2018 The truth of this was shown as far back as 2013, in an experiment conducted by John Bohannon, a journalist with a doctorate in molecular biology. The Economist, "Some science journals that claim to peer review papers do not do so," 21 June 2018 A few weeks ago, 22-year-old singer-songwriter-producer Jeremy Zucker was graduating from Colorado College with a degree in molecular biology. Monica Mercuri, Billboard, "Jeremy Zucker Talks 'all the kids are depressed' Video & Preparing for First Headlining Tour," 8 June 2018 After graduating from Woodlawn High School, Vignarajah went to Yale University and earned a bachelor’s degree in molecular biology and a master’s degree in political science. Erin Cox,, "Democrat Krish Vignarajah says it's time for a woman to be Maryland's governor," 23 May 2018 Running mate: Sharon Blake, 67, former president Baltimore Teachers Union Education: bachelor’s degree in molecular biology, master’s degree in political science, law degree, all from Yale University. Erin Cox,, "Democrat Krish Vignarajah says it's time for a woman to be Maryland's governor," 23 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'molecular biology.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of molecular biology

1884, in the meaning defined above

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Last Updated

24 Oct 2018

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Time Traveler for molecular biology

The first known use of molecular biology was in 1884

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More Definitions for molecular biology

molecular biology


Medical Definition of molecular biology 

: a branch of biology dealing with the study and understanding of biological activity and processes at the molecular level and especially the molecular basis of gene function and protein synthesis Molecular biology experiments proved that small pieces of DNA did sometimes move within or between chromosomes, thereby triggering changes in gene expression.— John Rennie, Scientific American, March 1993 The test is based on several recent advances in molecular biology, including the new insight that cells slip into the uncontrolled growth known as cancer through defects in specific enzymes that monitor and control division.— Lawrence K. Altman, The New York Times, 11 Oct. 1994

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