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Molecular biology
Industry: Biology
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Molecular biology
Zymography
Biology; Biochemistry
A histological method for localization of an enzymic activity. The tissue or cell preparation overlays a gel that contains a chromophore- or fluorophore-labelled substrate, e.g. casein for a ...
Anti conformation
Biology; Biochemistry
In nucleic acid chemistry, the orientation about the glycosidic bond of a nucleoside or nucleotide that places the base away from the sugar moiety; contrasted with the syn conformation, in which the ...
Zymogram
Biology; Biochemistry
A slab gel that, after electrophoresis, has been stained to reveal the presence of an enzymic activity, e.g. a gel infused or layered with a protein substrate and subsequently treated with a stain ...
Frame-shift
Biology; Biochemistry
A mutation that throws out of register the normal reading of triplet codons during translation; usually caused by an insertion (or deletion) of one or two nucleotides into (or from) the gene.
Red drop
Biology; Biochemistry
The sharp decline in photosynthetic efficiency as the wavelength of exciting light enters the red region (above 680 nm) due to the insensitivity of photosystem II to excitation by red light.
Peptide
Biology; Biochemistry
A compound formed by incomplete hydrolysis of a protein, or by elimination of the elements of water from between the α-carboxy and the α-amino groups of α-amino acids to form a linear polymer.
Neurophysin
Biology; Biochemistry
A protein associated with oxytocin or vasopressin in the secretory cells of the neurohypophysis and in blood; derived from the same protein precursor, proneurophysin, as the hormone it binds.
