Biochemistry

Biochemistry

The scientific study of the chemistry of living matter.

Industry: Biology; Biotechnology

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Biochemistry

Half-of-the-sites activity

Biology; Biochemistry

An extreme form of negative co-operativity shown by a multisubunit enzyme in which, as a substrate binds to the active site of one subunit, the affinity for the substrate of an adjacent subunit ...

Acceptor (3') splice site

Biology; Biochemistry

A site in pre-mRNA that corresponds to the 3'-end of the intron and the 5'-end of the next exon. The last two bases of the intron at the acceptor splice site are AG in most cases, but AC in some ...

Co-metabolism

Biology; Biochemistry

In microbial physiology, the metabolism of a xenobiotic which does not support growth. The phenomenon possibly involves the fortuitous metabolism of material due to partial non-specificity of key ...

Housekeeping

Biology; Biochemistry

Descriptive of a gene or enzyme that serves an essential function common to all or most cells, e.g. production of energy; as distinguished from specialised functions, such as differentiation or ...

Nested primers

Biology; Biochemistry

A second set of PCR primers whose use follows an initial copying of a nucleic acid sequence; the nested primers are specific for sequences internal to the 3'- and 5'-ends of the originally copied ...

Peptidomimetic

Biology; Biochemistry

A small non-peptide molecule, often cyclic, with features of a natural, biologically active peptide, which confer upon it the natural peptide's activity, but which is more stable or easier to ...

Reactive oxygen species (ROS)

Biology; Biochemistry

The group of chemically highly reactive species that are related to molecular oxygen, i.e. O 2 -Â (superoxide), HO (hydroxyl radical) and H 2 O 2 (hydrogen peroxide).