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BIOD171 Lab7 Exam Latest Update 2025 Questions & Answers.
BIOD171 Lab7
BIOD171 Lab7
In order to assess a liquid bacterial culture for tryptophan breakdown, ~5 drops of 
	reagent is added. Your Answer: 
Kovac’s reagent 
Kovac’s 
 
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. 
 
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