molecular biology
noun
: a branch of biology dealing with the ultimate physicochemical organization of living matter and especially with the molecular basis of inheritance and protein synthesis
molecular biologist
noun
Examples of molecular biology in a Sentence
Recent Examples on the Web
Even short delays can be a problem in scientific research, said Rebecca Burdine, a professor of molecular biology at Princeton University.
—
Alex Knapp, Forbes, 24 Jan. 2025
There was also Linus Pauling, one of the founders of molecular biology and a winner of the Nobel Prize in Chemistry, who for much of his career also promoted megadoses of vitamin C as a way to prevent 75 percent of cancers and extend life to the elusive age of 150.
—Joe Kloc, New York Times, 18 Jan. 2025
Vazquez is majoring in molecular biology and premedical studies at the Dr. Levin Watkins, Jr. Institute at TSU.
—Rachel Wegner, The Tennessean, 10 June 2024
Researchers are studying the natural defense mechanisms of Christmas trees — focusing on a popular variation called Fraser firs — in hopes of using genetics and molecular biology to help the trees acclimate to climate change and increase their chances of survival.
—Emily Mae Czachor, CBS News, 18 Dec. 2024
See all Example Sentences for molecular biology 
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Alex Knapp, Forbes, 24 Jan. 2025
There was also Linus Pauling, one of the founders of molecular biology and a winner of the Nobel Prize in Chemistry, who for much of his career also promoted megadoses of vitamin C as a way to prevent 75 percent of cancers and extend life to the elusive age of 150.
—Joe Kloc, New York Times, 18 Jan. 2025
Vazquez is majoring in molecular biology and premedical studies at the Dr. Levin Watkins, Jr. Institute at TSU.
—Rachel Wegner, The Tennessean, 10 June 2024
Researchers are studying the natural defense mechanisms of Christmas trees — focusing on a popular variation called Fraser firs — in hopes of using genetics and molecular biology to help the trees acclimate to climate change and increase their chances of survival.
—Emily Mae Czachor, CBS News, 18 Dec. 2024
See all Example Sentences for molecular biology
Articles Related to molecular biology
Dictionary Entries Near molecular biology
Cite this Entry
“Molecular biology.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/molecular%20biology. Accessed 31 Jan. 2025.
Copy CitationMedical Definition
molecular biology
noun
: 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
John Rennie, Scientific AmericanThe 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
Lawrence K. Altman, The New York TimesLove words? Need even more definitions?
Merriam-Webster unabridged
Share