Molecular biology

Molecular biology

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Molecular biology

Alte gelbe ferment

Biology; Biochemistry

The name given to what has become known as the flavoprotein NAPDH dehydrogenase, after a second flavoprotein was discovered. The translated name, old yellow enzyme or OYE, is still current. The ...

Field-flow fractionation (FFF)

Biology; Biochemistry

A group of techniques for resolution of mixtures of macromolecules or colloidal particles. An external driving force (e.g. gravitational, electrical, magnetic) is applied perpendicular to the ...

An approach to defining the roles of individual factors in a complex system. Mutations in a metabolic pathway or physiological function are selected and the function of the cognate gene product is ...

Feedback inhibition

Biology; Biochemistry

A form of metabolic control in which the end product of a pathway inhibits the enzyme, usually an allosteric enzyme, that catalyses the earliest irreversible reaction that is unique to the pathway. ...

Fingerprint

Biology; Biochemistry

The unique pattern of ninhydrin-reactive spots found upon separation of a tryptic digest of a protein by paper electrophoresis in one dimension, followed by chromatography in a second dimension at a ...

Molecular dynamics

Biology; Biochemistry

The computer-simulated quantitative evaluation of a molecular model by assignment of force constants to bonded and non-bonded interactions between neighbouring atoms so that bond distances and angles ...

Regiospecific

Biology; Biochemistry

Descriptive of a reaction that proceeds by a unique course even though more than one course is formally possible, e.g. an addition that occurs at only one atom of an unsymmetrical olefin; contrasted ...