Difference between revisions of "Hydrogen bond"
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{{stub}}A '''hydrogen bond''' is an attraction between [[Chemical polarity|polar molecules]]. They are formed when oppositely charge ends of polar molecules are attracted to one another. This weak attractive force is the hydrogen bond. | {{stub}}A '''hydrogen bond''' is an attraction between [[Chemical polarity|polar molecules]]. They are formed when oppositely charge ends of polar molecules are attracted to one another. This weak attractive force is the hydrogen bond. | ||
| − | Hydrogen bonds are responsible for the double-helical structure of [[DNA]], and for the tertiary and quaternary | + | Hydrogen bonds are responsible for the double-helical structure of [[DNA]], and for the tertiary and quaternary structure of [[Protein|proteins]]. Hydrogen bonds are relatively weak, especially compared with [[Metallic bond|metallic]], [[Ionic bond|ionic]] or [[Covalent|covalent]] bonds. |
[[Category:Chemistry]] | [[Category:Chemistry]] | ||
[[Category:Biology]] | [[Category:Biology]] | ||
Revision as of 05:57, March 18, 2007
Template:StubA hydrogen bond is an attraction between polar molecules. They are formed when oppositely charge ends of polar molecules are attracted to one another. This weak attractive force is the hydrogen bond.
Hydrogen bonds are responsible for the double-helical structure of DNA, and for the tertiary and quaternary structure of proteins. Hydrogen bonds are relatively weak, especially compared with metallic, ionic or covalent bonds.