BMS 602 Exam 3 Questions and
Answers 100% Solved | Graded A+
Which organism does MacConkey agar select for, and how does it work? **
- MacConkey is a selective and differential media, that is selective for
species of Enterobacteriaceae.
* This agar will differentiate between Enterobacteriaecea...
If an organism can ferment any of the sugars present, the medium will turn
yellow. Gas production will collect in the bottom of the tube and push the
agar up. (E. coli ferments all three and produces sulfide gas)
GLUCOSE FERMENTERS: red top, yellow bottom
SULFUR REDUCERS: iron sulfide appears as black precipitate, sometimes
obscures results.
** See slides for specific TSI slant results.
List the results of inocculation on a TSI slant for the following organisms:
*** - ✔✔
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