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Micro, Antimicro 45

Micro 204, antimicrobial suseptibility testing

QuestionAnswer
A single antibiotic is usually toxic to both prokaryotes and eukaryotes. T or F False
An antibiotic is usually effective in ____ quantities Small
Standard strains of bacteria are used as _____ in the Kirby-Bauer Method. Controls
If the zone size with the standard strain varies it often means the test was performed ______ than it should have been. Incorrectly
The name of the standard disk test for antibiotic sensitivity is the _____ disk test. Kirby- Bauer
Name 4 factors that may affect the diameter of the inhibitory zone on any particular test. 1.Volume of the medium in dish 2. Medium composition 3. Amount of inoculate 4. Solubility of the test agent
The name of the medium used in the Kirby - Bauer test is ___________ agar. Mueller Hinton
Name 3 microbial genera responsible for producing most of the antibiotics. 1. Bacillus 2. Streptomycin 3. Penicillium
Explain why Saccharomyces cerevisiae was not affected by these antibiotics. It is a yeast and does not respond to any antibiotics due to its eukaryotic properties
Medium used Mueller-Hinton agar
Created by: kmorris8