molecular biology
noun
- the field of biology that studies the composition, structure and interactions of cellular molecules--such as nucleic acids and proteins--that carry out the biological processes essential for the cell's functions and maintenance
Wiktionary
noun
- The branch of biology that studies the macromolecules of life, such as proteins, lipoproteins and nucleic acids.
“Holonyms: biology, bioscience”
- The branch of biology that studies the manipulation of genetic sequence of DNA.
- The technology of gene manipulation.