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Questions and Answers
Which agar contains bromthymol blue as a pH indicator?
Which agar contains bromthymol blue as a pH indicator?
Which test distinguishes late lactose fermenters from non-lactose fermenters?
Which test distinguishes late lactose fermenters from non-lactose fermenters?
Which test detects acid production through mixed acid fermentation pathway?
Which test detects acid production through mixed acid fermentation pathway?
Which agar is used to isolate Yersinia?
Which agar is used to isolate Yersinia?
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Which agar is used to differentiate between lactose fermenters and non-lactose fermenters?
Which agar is used to differentiate between lactose fermenters and non-lactose fermenters?
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Which agar is used to detect Salmonella Typhi colonies?
Which agar is used to detect Salmonella Typhi colonies?
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Which agar is used to detect H2S production?
Which agar is used to detect H2S production?
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Which agar contains sodium deoxycholate, Cef, Irg, Nov, CV, mannitol, and neutral red indicator?
Which agar contains sodium deoxycholate, Cef, Irg, Nov, CV, mannitol, and neutral red indicator?
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Which agar is used to differentiate between lactose fermenters and non-lactose fermenters?
Which agar is used to differentiate between lactose fermenters and non-lactose fermenters?
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Which agar contains bismuth sulfite & brilliant green?
Which agar contains bismuth sulfite & brilliant green?
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Which test detects β-galactosidase activity and distinguishes late lactose fermenters from non-lactose fermenters?
Which test detects β-galactosidase activity and distinguishes late lactose fermenters from non-lactose fermenters?
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Which test detects the ability to reduce nitrate to nitrite or other compounds?
Which test detects the ability to reduce nitrate to nitrite or other compounds?
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Which test detects acid production through the mixed acid fermentation pathway?
Which test detects acid production through the mixed acid fermentation pathway?
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Which test detects acetoin or acetylmethyl carbinol and 2,3-butanediol through the butylene glycol pathway?
Which test detects acetoin or acetylmethyl carbinol and 2,3-butanediol through the butylene glycol pathway?
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Which test detects cytochrome oxidase activity?
Which test detects cytochrome oxidase activity?
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Which test is used to detect growth of flagellated organisms away from the line of inoculation?
Which test is used to detect growth of flagellated organisms away from the line of inoculation?
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Which agar contains bromthymol blue as a pH indicator?
Which agar contains bromthymol blue as a pH indicator?
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Which agar contains bromthymol blue as a pH indicator?
Which agar contains bromthymol blue as a pH indicator?
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Which test detects cytochrome oxidase activity?
Which test detects cytochrome oxidase activity?
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Which agar contains bismuth sulfite & brilliant green?
Which agar contains bismuth sulfite & brilliant green?
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Which agar is used to isolate Yersinia?
Which agar is used to isolate Yersinia?
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Which test detects the ability to reduce nitrate to nitrite or other compounds?
Which test detects the ability to reduce nitrate to nitrite or other compounds?
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Which test detects β-galactosidase activity and distinguishes late lactose fermenters from non-lactose fermenters?
Which test detects β-galactosidase activity and distinguishes late lactose fermenters from non-lactose fermenters?
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Which test detects acid production through the mixed acid fermentation pathway?
Which test detects acid production through the mixed acid fermentation pathway?
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Which agar is used to detect E. coli O157:H7?
Which agar is used to detect E. coli O157:H7?
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Which agar is used to detect Salmonella Typhi colonies?
Which agar is used to detect Salmonella Typhi colonies?
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Study Notes
Microbiology Agars and Tests
- MacConkey agar contains bromthymol blue as a pH indicator.
- The ONPG (o-nitrophenyl-β-galactosidase) test distinguishes late lactose fermenters from non-lactose fermenters.
- Mixed acid fermentation pathway is detected through the Methyl Red test.
- CIN (Cefsulodin-Irgasan-Novobiocin) agar is used to isolate Yersinia.
- MacConkey agar is used to differentiate between lactose fermenters and non-lactose fermenters.
- Bismuth Sulfite agar is used to detect Salmonella Typhi colonies.
- Triple Sugar Iron (TSI) agar is used to detect H2S production.
- XLD (Xylose-Lysine-Deoxycholate) agar contains sodium deoxycholate, Cef, Irg, Nov, CV, mannitol, and neutral red indicator.
- MacConkey agar is used to differentiate between lactose fermenters and non-lactose fermenters.
- Bismuth Sulfite agar contains bismuth sulfite and brilliant green.
- The ONPG test detects β-galactosidase activity and distinguishes late lactose fermenters from non-lactose fermenters.
- The Nitrate test detects the ability to reduce nitrate to nitrite or other compounds.
- The Methyl Red test detects acid production through the mixed acid fermentation pathway.
- The Voges-Proskauer test detects acetoin or acetylmethyl carbinol and 2,3-butanediol through the butylene glycol pathway.
- The Oxidase test detects cytochrome oxidase activity.
- The Motility test is used to detect growth of flagellated organisms away from the line of inoculation.
- MacConkey agar contains bromthymol blue as a pH indicator.
- The Oxidase test detects cytochrome oxidase activity.
- Bismuth Sulfite agar contains bismuth sulfite and brilliant green.
- CIN agar is used to isolate Yersinia.
- The Nitrate test detects the ability to reduce nitrate to nitrite or other compounds.
- The ONPG test detects β-galactosidase activity and distinguishes late lactose fermenters from non-lactose fermenters.
- The Methyl Red test detects acid production through the mixed acid fermentation pathway.
- Sorbitol-MacConkey agar is used to detect E. coli O157:H7.
- Bismuth Sulfite agar is used to detect Salmonella Typhi colonies.
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Description
Test your knowledge of microbiology by identifying different inhibitory agents and indicators used in bacterial culture media. Learn about the characteristics of lactose fermenters and non-lactose fermenters as well as the distinguishing colors of Eosin Methylene Blue Agar (EMB), MacConkey Agar (MAC), and Salmonella Shigella Agar (SSA).
