BIOD 171 Lab Exam 7 (Latest update, )/ BIOD171 Lab Exam 7 / BIOD 171 Microbiology Lab Exam 7: Essential Microbiology W/ Lab: Portage Learning (QUESTIONS & ANSWERS)

Attempt Time Score

LATEST Attempt 1 32 minutes 24 out of 30
Score for this quiz: 24 out of 30
Submitted May 30 at 10:33am
This attempt took 32 minutes.

Question 1
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
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
pts
Name one advantage that the ability to breakdown tryptophan brings to a
microorganism.
Your Answer:
It’s very important test because bacteria which are indole positive will be resistant to
medication and can survive in harsh environment


An increased resistance to drugs/medications OR an increased ability to survive
harsh environments—often seen via spore formation.


Question 4


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