Molecular biology glossaries and terms

salvage pathway

Biology; Biochemistry

A metabolic reaction that recovers some of a partially degraded compound for resynthesis, e.g. resynthesis of GTP from guanine recovered from degradation of nucleotides via the hypoxanthine-guanine ...

ion-exchange chromatography

Biology; Biochemistry

A technique for separation of charged compounds or macromolecules in solution according to their affinities for a positively charged stationary phase (an anion exchanger) or a negatively charged ...

human artificial chromosome (HAC)

Biology; Biochemistry

An artificial assembly of chromosome features, telomere, centromere, etc., that is used to test the minimum features required for replication in transfected cells. The mammalian artificial chromosome ...

transfer-messenger RNA (tmRNA)

Biology; Biochemistry

A single or two-strand bacterial RNA with both tRNA and mRNA functions. As part of a ribonucleoprotein complex it can rescue a ribosome that has become trapped in a complex by a mRNA that has lost ...

10Sa RNA

Biology; Biochemistry

A single or two-strand bacterial RNA with both tRNA and mRNA functions. As part of a ribonucleoprotein complex it can rescue a ribosome that has become trapped in a complex by a mRNA that has lost ...

SsrA

Biology; Biochemistry

A single or two-strand bacterial RNA with both tRNA and mRNA functions. As part of a ribonucleoprotein complex it can rescue a ribosome that has become trapped in a complex by a mRNA that has lost ...

thin-layer chromatography (TLC)

Biology; Biochemistry

A technique to separate small molecules on a thin film of an adsorbent on a glass or semi-rigid plastic surface by their differential mobilities in a liquid phase that passes through the film by ...

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