Biochemistry

Biochemistry

The scientific study of the chemistry of living matter.

Industry: Biology; Biotechnology

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Biochemistry

Phenol-emulsion reassociation technique (PERT)

Biology; Biochemistry

A method to accelerate several thousand-fold the rate of DNA reassociation. An aqueous solution of single-stranded DNA with a chaotropic salt is shaken with phenol. When the resulting emulsion ...

Atomic absorption analysis

Biology; Biochemistry

A technique for the quantification of small amounts of a metal in solution. Monochromatic light, often generated by excitation of the element in question, passes through a flame in which a test ...

A two-dimensional representation of pyranose and furanose structures in which they are shown as hexagons and pentagons respectively. The lower ring atoms are understood as being towards and the upper ...

Non-productive

Biology; Biochemistry

In enzymology, descriptive of an enzyme-substrate complex other than the Michaelis complex; one that cannot be converted into an enzyme- product complex. In protein chemistry, descriptive of a ...

Feed-forward regulation

Biology; Biochemistry

Control of a metabolic pathway by a metabolite of the pathway that acts in the same direction as the metabolic flux, i.e. downstream or 'later' in the pathway, e.g. the activation of pyruvate kinase ...

X-ray crystallography

Biology; Biochemistry

A method for structural analysis of solids that have a repeating unit; dependent upon the ability of electrons to scatter X-rays, and capable of locating in space atoms larger than hydrogen in ...

Writhing number (W)

Biology; Biochemistry

A topological property of double-stranded DNA; the number of times one double-stranded segment crosses another in circular DNA, commonly referred to as a supercoil; equal to the linking number minus ...