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molecular biology

noun

  1. 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.


molecular biology

noun

  1. the study of biological phenomena at the molecular level
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


molecular biology

/ mə-lĕkyə-lər /

  1. The branch of biology that deals with the formation, structure, and function of macromolecules essential to life, such as nucleic acids and proteins, including their roles in cell replication and the transmission of genetic information.


molecular biology

  1. The branch of science devoted to studies of the structure, function, and reactions of DNA , RNA , proteins , and other molecules involved in the life processes.


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Word History and Origins

Origin of molecular biology1

First recorded in 1935–40
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Example Sentences

This is implicit in the so-called “central dogma” of molecular biology, the statement by Francis Crick that the information stored in the DNA molecule flows to other molecular processes that make proteins and then a whole organism according to plan.

The book helped found molecular biology, and also led Schrödinger to glimpse something more.

As a result, by the mid-1980s, “DNA, RNA and proteins, all the molecular biology, came and took off and left the glycans behind at the station,” Varki said.

I taught myself molecular biology in like two and a half months.

Sophisticated molecular biology experiments revealed more clues.

“The method combines technologies that have been developed over the last 30 or so years of molecular biology,” Tabor explains.

Molecular biology places the distinction between hominids and chimpanzees at four million years ago.

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molecular beammolecular clock