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What (who) is R-factor - definition
R-factor
ANTIBIOTIC RESISTANCE CAUSED BY A PLASMID
R-factor; R factors; R plasmid; Resistance factor; R factor; Plasmid mediated resistance; Resistance transfer factor; Resistance (R) plasmids
R-factors are pieces of DNA, usually plasmids, that contain antibiotic resistance genes. Resistance genes are ones that give rise to proteins that modify the antibiotic or pump it out.
R-factor (crystallography)
MEASURE OF THE AGREEMENT BETWEEN A CRYSTALLOGRAPHIC MODEL AND THE EXPERIMENTAL X-RAY DIFFRACTION DATA
R-factor (crystallographic); Rfactor (crystallographic)
In crystallography, the R-factor (sometimes called residual factor or reliability factor or the R-value or RWork) is a measure of the agreement between the crystallographic model and the experimental X-ray diffraction data. In other words, it is a measure of how well the refined structure predicts the observed data.
Red factor canary
BREED OF DOMESTIC CANARY
Red Factor canary
The red factor canary is a popular variety of canary. It is named after its colourful plumage, and is a 'color canary', bred for the novelty of its color rather than for its song.
