Molecular biology

Molecular biology

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Molecular biology

Fab fragment

Biology; Biochemistry

A product of papain hydrolysis of an immunoglobulin G consisting of the variable region and some of the constant region of a heavy chain and an entire light chain, and containing a single ...

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 ...

Haworth projection

Biology; Biochemistry

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 ...

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 ...

zoo-fluorescence in situ hybridization (zoo-FISH)

Biology; Biochemistry

Cross-species chromosome painting; the comparative mapping of DNA sequences to specific chromosomal loci. Like zoo blotting, zoo-FISH is a method for evaluating evolutionary relationships; it is also ...

exonuclease footprinting

Biology; Biochemistry

A method for identification of a protein-binding region in a double-stranded DNA fragment. One 5'-end of the DNA fragment is labelled with 32 P and the DNA-fragment-protein complex is treated with a ...