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Unformatted text preview: Antibiotic sensitive strain vs. antibiotic resistant strain-Sensitive strain can’t grow in the presence of a particular antibiotic….whereas a resistant strain CAN…AMPs…AMPr Selective medium- distinguishes between he mutant and the wild type strands…either the wild type lives, mutant dies or vise- versa Non selective medium- CANNOT distinguish between the mutant and wild- type strains • wild type lives on minimal media….auxotroph dies b/c one of its anabolic pathways are blocked and it cant make one of the end- product that it needs to live….minimal media is selective in the case of the auxotrophic strain • superscripts are never used on phenotypes and genotypes • Some plasmids are called episomes- an episome is a plasmid that can integrate itself into the chromosome…replicates passively when the chromosome replicates • Transformation- trasfer of DNA into a bacterium from its environment...
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