Chemistry of Life

Molecular genetics, biochemistry

hydrogen bond

A hydrogen bond results from an attractive intermolecular force between two partial electric charges of opposite polarity. Although stronger than most other intermolecular forces, a hydrogen bond is much weaker than either an ionic bond or a covalent bond. Within macromolecules such as proteins and nucleic acids, hydrogen bonds can exist between two parts of the same molecule and constrain the molecule's 3D shape. More at: Wikipedia

. . . transcription begun 10/06/06