BIOD 171 Lab7
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BIOD 171 Microbiology Lab 7 Exam Portage Learning All Correct Answers Rated A+
- Exam (elaborations) • 3 pages • 2022
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Question 1 
3 / 3 pts 
In order to assess a liquid bacterial culture for tryptophan breakdown, ~5 drops of 
_______ reagent is added. 
Your Answer: 
Kovac’s reagent 
Kovac’s 
Question 2 
3 / 3 pts 
What color would you expect to see on the 4-quadrant enzymatic test card if a 
microorganism was unable to breakdown tryptophan? 
Your Answer: 
yellow 
Yellow. The microorganism would be classified as indole negative. 
Question 3 
4 / 4 pts 
Name one advantage that the ability to breakdown tryptop...
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