Biologically Active Substance
R-factor
Subclass of:
Plasmids
Definitions related to r factors:
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A class of plasmids in bacterial cells that promote resistance to agents such as antibiotics, metal ions, UV radiation, and bacteriophage.CRISP ThesaurusNational Institutes of Health, 2006
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A class of plasmids that transfer antibiotic resistance from one bacterium to another by conjugation.NLM Medical Subject HeadingsU.S. National Library of Medicine, 2021
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